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  • 5/19/2018 Mary Has Three

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    1.

    Mary has three-fourths of a poundof gumdrops and five-eighths of apound of chocolates. How manypounds of candy does she have?

    2. Jose has 1/2kilogram of beetsand 3/8kilogram of tomatoes. Howmany more kilograms of beets thantomatoes does he have?

    1. John has 8/9yard of black trimand 3/4yard of violet trim. If he has atotal of 18/9yards of trim, how manyyards of trim are neither black norviolet?

    2. Paul has 1/4yard of purple beadsand 1/3yard of violet beads. If he has atotal of 21/3yards of beads, how manyyards of beads are neither purple norviolet?

    Fractions

    1. Mr. Hawkins had received twohundred fifty acres as his headrightwhen he came to the PlymouthColony. He gave one-eighth of hisland to his brother. How many acresdid he have left?

    2. Savannah and her father went toPaulo's Pizzeria for pizza witheverything except anchovies. Thepizza was divided into eight slices.Savannah's father ate half of thepizza. Savannah ate the rest. Howmany slices of pizza did Savannaheat?

    3. Zachary made a list of five differentkinds of brownies: chocolate chipbrownies, Rocky Road brownies,brownies with walnuts, peanut butterswirl brownies, and butterscotchbrownies. He asked seventy-eightstudents to choose their favoritebrownie from the last. Two-

    thirteenths of the students likedpeanut butter swirl brownies thebest. Three-thirteenths of the studentspreferred Rocky Road brownies.Chocolate chip brownies were thefavorite of 7/39 of thestudents. 8/39 of the students justloved brownies with walnuts and therest of the students liked butterscotchbrownies best. How many students

    preferred butterscotch brownies?

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    5. Sydney likes to ice skate better thanroller skating. She said she could gofaster on ice skates. If it takes herninety-six seconds to skate around an

    ice rink that is one-fourth of a milearound, how long would it take her toskate four miles? Round your answerto the nearest minute.

    6. Eric made a chart to show the cost ofa typical lunch at his school.According to the chart each mealcosts the school $2.83 to make. The

    price charged for the meal is $2.98.There are 231 students in theschool. One-seventh of the studentsreceive free lunches and the rest ofthe students pay full price. What isthe difference between the cost of onehundred thirteen lunches and theamount of money paid for thelunches?

    Fractions

    Complete.

    1. Anna's recipe for apple fritters makeseighteen fritters and uses two-thirds of a cup of milk. Anna wants tomake six fritters. How much milk willshe need?

    2. Natalie is making chocolatemilkshakes for Nicole's birthdayparty. There will be fourteen peopleat the party. It takes a third of a cupof milk to make one chocolatemilkshake. How many cups of milk

    will it take to make fourteenmilkshakes?

    Complete.

    3. A recent forest fire near Littlevilledestroyed four-fifths of the trees inBigtree National Forest. The forestcovers 4920 km2. There is nowabout 30 tons of salvageable woodper km2in the burned area. The partof the forest that was not destroyedby fire will not be open to thesalvagers. Assuming the trees areevenly distributed throughout thepark, about how long will it take toremove all the salvageable wood at arate of 53 1/2 tons per day? Roundyour answer to the nearest whole

    number.

    4. One-third of the class grew peas, one-third grew carrots, and one-thirdgrew beans. The class consistedof 63 students of which five-sevenths were girls. The teacher chosethe three groups to be as equal intheir boy-girl composition as possible.How many boys and girls wereassigned to each team?

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    Complete.

    5. In a creek bed, 1/6 of the gravel isless than 5 mm in diameter

    and 2/3 of it is between 5 and 10 mmin diameter. What fraction of thegravel is greater than one centimeterin diameter?

    6. Feldspar is a common mineral onearth. By some estimates, feldspar

    makes up three-fifths of the mineralmass in the crust. Convert thisfraction to a percent.

    Complete.

    7. A bus is making a trip from Bigtownto Megacity. The average round tripspeed is always 54 MPH on this

    journey. The round trip distanceis 120 miles. At Megacity the buswaits exactly 29 minutes and thenreturns to Bigtown. If the bus hascompleted 5/6 of this entire journey,how long has it been since it leftBigtown on the way to Megacity?Round your answer to the nearestminute.

    8. Two objects (very tiny space shipsactually) hit a wall. Object oneapplied a force of 7/13 of a Newton

    to the wall and object two applied aforce of 3/7 of a Newton. Provewhich one applied the larger force.(force = mass x acceleration)

    Complete.

    9. Six moles of silver nitrate followed bythree moles of silver chloride areadded to a vat containing 60 L ofwater. Of the silver that was added,what fraction came from the silvernitrate?

    10. If a solution of MgCl is 1/2 M, whatwill its concentration be if it isdiluted by 29%? Express youranswer as a fraction.

    Complete.

    11. Twelve people have signed up forthe bowling tournament at Snookie'sBowling Alley and Arcade. This isabout 9/16 of the maximum numberof people allowed in thetournament. How many more canstill sign up?

    12. The Floop family went to a hockeygame last weekend. Theyspent $12 on food, $41 on souvenirs,and$9 on drinks. What fraction oftheir expenditures was spent ondrinks?