Find the commission earned or the rate of commission. Round money answers to the nearest cent if necessary.Sales: $880 Commission: $79.20
A. 9%
B. 0.9%
C. 11%
D. 10%
Answer: A
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To travel 68 miles, it takes Sue, riding a moped, 4 hours less time than it takes Doreen to travel 80 miles riding a bicycle. Sue travels 7 miles per hour faster than Doreen. Find the times and rates of both girls.
A. Sue: 17 mph for 4 hours, Doreen: 10 mph for 8 hours B. Sue: 10 mph for 4 hours, Doreen: 17 mph for 8 hours C. Sue: 21 mph for 8 hours, Doreen: 14 mph for 12 hours D. Sue: 4 mph for 17 hours, Doreen: 10 mph for 8 hours E. Sue: 27 mph for 4 hours, Doreen: 20 mph for 8 hours
A small country consists of four states. The population of State A is 67,200, the population of State B is 78,300, the population of State C is 73,800, and the population of State D is 80,700. The total number of seats in the legislature is 100.The standard quota for State C is
A. 25.7. B. 24.6. C. 26.9. D. 26.1. E. none of these
The graph of a one-to-one function f is given. Sketch the graph of the inverse function f-1, on the same set of axes. Use a dashed line for the inverse.
A. 
B. 
C. 
D. 
Obtain an equivalent system by performing the stated elementary operation on the system.Replace the fourth equation by the sum of itself and 2 times the second equation
A. 
B. 
C. 
D. 