6th Test 3

1.) Which three ratios equal

A.) B.) C.) D.)

2.) Write the ratio 81:9 in simplest form.

A.) 9:1 B.) 1:9 C.) 1:10 D.) 10:1

3.) The American flag is customarily made with its width and length in the ratio of 10 to 19. Which of the following dimensions is in the correct ratio for the flag?

A.) 107 by 193 in B.) 100 by 190 inC.) 107 by 190 in D.) 100 by 193 ft

4.) Which ratio CANNOT form a proportion with

A.) B.) C.) D.)

5.) A car travels 172 miles using 7 gallons of gas. At that rate, how far can the car travel using 42 gallons of gas?

A.) 1,032 mi B.) 1,548 miC.) 1,204 mi D.) 1,376 mi

6.) Which ratio can form a proportion with

A.) B.) C.) D.)

7.) Dan’s car averages 30 miles per gallon. Which is closest to the amount of gas he will use traveling 454.5 miles?

A.) 10 gal B.) 12 galC.) 13 gal D.) 15 gal

8.) Bob and Joe live on planet CrazyFast. Both boys are on the track team. Bob can run 9 miles in 14 minutes. Joe decided to continue running and he ran for 84 minutes. How many miles did Joe run in the end?

A.) 54 B.) 55 C.) 57 D.) 56

9.) The scale for a model of a gorilla is 1 mm : 4 cm. The gorilla is 184 cm tall. What is the height of the gorilla in the model?

A.) 46 cm B.) 4.6 mmC.) 181 mm D.) 46 mm

10.) Convert 0. to a percent.

A.) 3% B.) 33% C.) 30% D.) 330%

11.) A baseball player got a hit 3 out of every 10 times he was at bat. Write as a percent.

A.) 3/10% B.) 0.3%C.) 3% D.) 30%

12.) Everyone in name’s class has to do a science project. Out of the 20 students, 80% have completed their projects. How many students still need to do their projects?

A.) 100 students B.) 36 studentsC.) 4 students D.) 16 students

13.) 30% off a bike for $432.43.

A.) $129.72 B.) $562.15 C.) $302.70 D.) $432.76

14.) Write the scale as a ratio.

A 2 foot long model of an 12 foot long room.

A.) 1:7 B.) 1:6 C.) 1:9 D.) 1:8

15.) Find the missing length for a circle.

R= 19 cm D = ______

A.) 6.3 cm B.) 38 cmC.) 57 cm D.) 9.5 cm

16.) Find the circumference of the circle with the given radius or diameter.

A.) 28 in B.) 79 inC.) 1,963 in D.) 157 in

17.) A computer that originally cost $850 is on sale for 15% off. What is the sale price of the computer?

A.) $127.50 B.) $722.50C.) $722.50 D.) $977.50

18.) Two cities are 140 miles apart. On a map, the scale reads 2 inches = 35 miles. How far apart are the two cites on the map?

A.) 4 inches B.) 8 inchesC.) 12 inches D.) 16 inches

19.) It took Heidi 40 seconds to type 30 words. At that rate, how long would it take Heidi to type 240 words?

A.) 5 min 10 sec B.) 5 min 20 secC.) 5 min 30 sec D.) 5 min 40 sec

20.) Solve for the value of x in the following equation: 4x + 2 = x + 11.

A.) 3 B.) 4 C.) 5 D.) 6

21.) Bonus: The tires on Jordan’s mountain bike have a diameter of 38 centimeters. The tires on his BMX bike have a diameter of 31 centimeters. How many centimeters greater is the circumference of the mountain bike tire than the BMX bike tire?