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If a car is towed 12 miles to the repair shop and the tow charge is $3.50 per mile, how much does the
tow cost?
(a) $12.00
(b) $3.50
(c) $42.00
(d) $100.00 ✔Correct Answer--C. Multiply 12 miles by $3.50 per mile:
12 × $3.50 = $42.00
The sum of two numbers is 70. One number is 8 more than the other. What's the smaller number?
(a) 31
(b) 33
(c) 35
(d) 36 ✔Correct Answer--A. x + x + 8 = 70, solve for x.
x = 31
A sales manager buys antacid in bottles the gross. If he goes through 3 bottles antacid everyday, how
long will the gross last?
(a) 144 days
(b) 3 days
(c) 20 days
(d) 48 days ✔Correct Answer--D. 144 bottles in a gross, and 144 ÷ 3 (bottles per day) = 48 days.
Jenny's test grades are 93,89, 96, and 98. If she wishes to raise her average to 95, what does she
need to score on her next test?
(a) 100
(b) 99
(c) 97
(d) 95 ✔Correct Answer--B. x = the unknown score. (93 + 89 + 96 + 98 + x) ÷ 5 or (376 + x) ÷ 5. Now
solve for x
A waitress earns an average of 12% of the cost of the food she serves. If she serves $375 worth of
food in one evening, how much money in tips will she earn on average?
(a) $37
(b) $45
(c) $42
(d) $420 ✔Correct Answer--B. Multiply the amount spent on drinks, $375, by 12% (or 0.12) to
determine the amount of tips:
$375 × 0.12 = $45
How many square feet of carpeting are needed to carpet a 12-foot × 12-foot room?
(a) 24
(b) 120
(c) 48
(d) 144 ✔Correct Answer--D. To determine square footage multiply length by width
, 12 × 12 = 144 sq feet
Joe received an hourly wage of $8.15. His boss gave him a 7% raise. How much does Joe make per
hour now?
(a) $0.57
(b) $8.90
(c) $8.72
(d) $13.85 ✔Correct Answer--C.To calculate the new wage first multiply $8.15 × 0.07 = $0.57. Then
add that to the original wage,
$8.15 + $0.57 = $8.72
Alice leaves her house, driving east at 45 miles per hour (mph). Thirty minutes later her husband
Dave notices she forgot her cell phone and sets off after her. How fast must Dave travel in order to
catch up with Alice 3 hours after he leaves?
(a) 49 mph
(b) 50.5 mph
(c) 52.5 mph
(d) 54 mph ✔Correct Answer--C. distance = speed × time. First find how far Alice had traveled 3½
hours at 45 mph, or 157.5 mph. Dave has three hours to cover this distance. Now find his speed.
157.5 mi ÷ 3 hr. = 52.5 mph
Miriam bought five cases of motor oil on sale. A case of motor oil normally costs $24.00, but she was
able to purchase the oil for $22.50 a case. How much money did Miriam save on her entire
purchase?
(a) $7.50
(b) $1.50
(c) $8.00
(d) $22.50 ✔Correct Answer--A. Subtract the sale price from the original price, $24.00 − $22.50 =
$1.50. Now multiply that number by the amount of cases to get the final answer $1.50 × 5 = $7.50
A security guard walks the equivalent of six city blocks when he makes a circuit around the building.
If he walks at a pace of eight city blocks every 30 minutes, how long will it take him to complete a
circuit around the building, assuming he doesn't run into any thieves?
(a) 20.00 minutes
(b) 3.75 minutes
(c) 22.50 minutes
(d) 7.5 minutes ✔Correct Answer--C. Divide 30 by 8 to determine how long it takes to walk one city
block = 3.75 minutes. Then multiply by 6 the number it takes to complete the circuit. The answer is
22.5 minutes.
The population of Grand Island, Nebraska, grew by 600,000 people between 1995 and 2005, one-
fifth more than the town council predicted. The town originally predicted the city;s population to
grow by
(a) 400,000
(b) 500,000
(c) 300,000
(d) 100,000 ✔Correct Answer--B. Let x = the original number predicted. An ¹/₅ would make the
population growth ⁶/₅ or 120%, of x. Express the equation as 1.2x = 600,000, solve for x. x = 500,000.