Set up the percent proportion for the application problem. Do not try to solve for any unknowns.In one state, the sales tax is 10%. On one purchase, the tax was $60. Find the cost of the item purchased.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: B
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Solve the problem.On the June 10 billing date, Yuri had a balance due of $441.53 on his credit card. The transactions during the following month were: 
The interest rate on the card is 1.8% per month. Using the previous balance method, find the new balance on July 10.
A. $1937.29 B. $1901.13 C. $1875.46 D. $387.65
Solve.The area of a rectangular rug is 140 square feet and its perimeter is 48 feet. Find the dimensions of the rug.
A. 11 yd by 14 yd B. 11 yd by 13 yd C. 10 yd by 14 yd D. 10 yd by 13 yd
Solve.The weight that a horizontal beam can support varies inversely as the length of the beam. Suppose that a 2-m beam can support 460 kg. How many kilograms can a 5-m beam support?
A. 184 kg B. 46 kg C. 0.0217 kg D. 0.0054 kg
Find the sum of the first 12 positive integers. ?
A. 156 B. 91 C. 82 D. 74 E. 78