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Express Yourself
Balancing Act
A Perfect Solution
What's in That Formula?
100
Evaluate 5b + c for b = 10 and c = 9
59
100
the sum of a number, t, and five
t + 5
100
b/5 + 14 = 17
b = 15
100
5/20 = 15/a
a = 60
100
Use the distance formula d = rt when r = 9 mph and t = 1 hour
d = 9 miles
200
1b + 5a when a = 6 and b =7
37
200
10 less than the product of a number and 4
4n - 10
200
8y - 2 = 14
y = 2
200
6/12 = 12/x
x = 24
200
Use the distance formula d = rt when r = 10 mph and t = 5 hours.
d = 50 miles
300
Evaluate 14x + b for x = 5 and b = 8
78
300
seven plus the product of a number, z, and eight is 42
7 + 8z = 42
300
10g - 8 = 92
g = 10
300
8/16 = 24/t
t = 48
300
Use the formula A = lw for finding the area of rectangle when l = 8 and w = 1/2
4
400
11e / 9 for e = 2
2 4/9
400
Sixteen minus the quotient of a number and six is nine.
16 - n/6 = 9
400
b/9 + 12 = 63
b = 459
400
6/32 = 13/d
d = 69 1/3
400
Use the distance formula d = rt when r = 12 mph and t = 5 hours
d = 60 miles
500
Evaluate r + st for r =14, s = 11, and t = 24.
278
500
twenty less than the quotient of 200 and s is 56
200/s - 20 = 56
500
h/9 + 6 = 62
h = 504
500
A photograph is 10 in. long and 8 in. wide. You enlarge it so that the width is 20 in. What is the length of the enlarged photograph?
25 inches
500
Use the volume formula V =lwh to find the volume of a rectangular prism when l = 4, w = 5, and h = 8.
160