100 200 300 400 500 equationsword prob coin & ci expressions & order of operations...
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Equations Word prob
Coin & CI Expressions & Order of
Operations
Inequalities
500
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200Length = 7m width = 13m
The width of a rectangle is 8 less than 3 times the length. If the perimeter is equal to 40m, find the dimensions of the rectangle. (algebraic solution only)
A local computer center charges non members $5 per session to use the media center. If you pay a membership fee of $25, you pay only $3 per session. Write an equation that can help you decide whether to become a member. Then solve the equation.3x + 25 = 5x; 12.5 sessions 100
If one side of a square is represented by 2x + 4. If the perimeter of the square is 56 in, find x.
5 200
The sum of three numbers is 123. The second number is 9 less than two times the first number. The third number is 6 more than three times the first number. Find the three numbers.
21, 33, 69 300
X ≤ 74.9; 74 boxes400
Write and solve and inequality:
The freight elevator of a building can safely carry a load of at most 4000lb. A worker needs to move supplies in 50-lb boxes from the loading dock to the 4th floor of the building. The worker weighs 160 lbs. The cart she uses weighs 95 lbs. What is the greatest number of boxes she can move in one trip?
Mr. Fields spent 6 hours on a trip out into the country and back. He walked out at a rate of 4 mph and walked back at a rate of 2 mph. How far out into the country did he go?
*****(Won’t be on test)
8 miles
500
Mr. Boyce deposited $170 in his bank. The number of $5 bills was three times the
number of $10 bills, and the number of $1 bills was thirty more than
the number of $5 bills. How many bills of each type did he deposit?
5, 15, 45 100
200
A purse contains $4.70 in nickels and
quarters. There are 30 coins in all. How many of each kind are there?
16 quarters and 14 nickels
Jane has $2.80 in quarters and dimes. The number of dimes is 7 less than the number of quarters. Find the number of each. Use algebra!
500Quarters:10 , dimes 3
Graph the inequalities on a number line:
1) x > -7
2) 10 ≤ x
See graphs:
1)Open circle at -7, arrow right
2)Closed circle at 10 arrow right
100
Solve and graph:
3 + 9x < 12 or 11 < x + 5
X < 1 or x > 6, open circles at 1 and 6 arrows out in opposite directions
400