WorkKeys WorkKeys Applied Mathematics Level 4 and 5 2

Question 1

A driver traveled 156 miles in 2 hours and 36 minutes. What was the average speed in miles per hour?

Accepted Answer

60 mph

Answer

65 mph

Answer

78 mph

Answer

52 mph

Question 2

A hospital orders medical supplies and receives a 12% discount on an order totaling $2,450. After the discount, a 6% sales tax is applied. What is the final amount owed?

Accepted Answer

$2,285.36

Answer

$2,156.00

Answer

$2,285.04

Answer

$2,302.12

Question 3

A factory uses a ratio of 3 parts oil to 8 parts coolant in a machine lubricant mix. If 33 liters of oil are used, how many liters of coolant are needed?

Accepted Answer

88 liters

Answer

12.375 liters

Answer

72 liters

Answer

99 liters

Question 4

A grocery store clerk stacks cans in a triangular pyramid display. The base row has 12 cans, and each row above has one fewer can. How many cans are in the entire 8-row display?

Accepted Answer

68 cans

Answer

96 cans

Answer

72 cans

Answer

60 cans

Question 5

A construction worker needs to build a fence around a rectangular yard that measures 45 feet by 32 feet. Fencing costs $12.75 per linear foot. What is the total material cost?

Accepted Answer

$2,168.25

Answer

$1,969.50

Answer

$1,836.00

Answer

$2,346.00

Question 6

A quality control inspector checks a batch of 450 parts. She finds 27 defective parts. What percentage of the batch is defective?

Accepted Answer

6%

Answer

4%

Answer

5%

Answer

16.67%

Question 7

A plumber charges $85 for the first hour and $60 for each additional hour. He also charges for materials at cost plus 20% markup. If a job takes 3.5 hours and materials cost $140, what is the total bill?

Accepted Answer

$378.00

Answer

$337.00

Answer

$337.50

Answer

$403.00