QUESTION: 53

Darlene bought 12 boxes of cookies for $48.00.
What was the cost of each box of cookies?

$4.00
$0.48
$0.40
$4.80

Answer(s): A

Explanation:

Divide the total cost by the number of boxes purchased to determine the cost per box: $48 ÷ 12 = $4.

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QUESTION: 54

A tune-up increases a car's fuel efficiency by 5%.
If a car averaged 20 miles per gallon before the tune-up, how many miles per gallon will it average after the tune-up?

25
22
201/2
21

Answer(s): D

Explanation:

Multiply 20 × 0.05 to determine how many more miles per gallon the car will get. The answer is 1. Then add the number of additional miles per gallon the car will get to the original number of miles per gallon the car gets to reach the new average: 1 + 20 = 21.

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QUESTION: 55

If you pay $22.90 for a DVD that includes a 7% sales tax, what is the price of the DVD before the sales tax?

$21.40
$21.30
$21.50
$20.95

Answer(s): A

Explanation:

If y represents the price of the DVD before the tax. Then price with tax would be y + 0.07y = $22.90. Therefore, 1.07y = 22.90, or y = 22.90/1.07 = $21.40. Be careful not to just take 7% of $22.90 and subtract. That is incorrect.

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QUESTION: 56

A bin of hard candy holds 101/2 pounds.
How many 3/4-pound boxes of candy can be filled from the bin?

30 boxes
151/4 boxes
77/8 boxes
14 boxes

Answer(s): D

Explanation:

Divide 101/2 by 3/4. You can perform this operation by multiplying 101/2 by the inverse of 3/4:
101/2 × 4/3 = 21/2 × 4/3 = 84/6. This fraction, reduced, becomes 14.

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QUESTION: 53

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QUESTION: 55

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QUESTION: 56

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