1. A website sells sweaters. The amount of sales p (c) varies directly with the number of customers c. Ten customers bought a total of $455 worth of sweaters.
Which equation can be used to find the sales for c customers?
A. P (c) = 45.5c
B. P (c) = 455c
C. P (c) = 4550/c
D. P (c) = 455/c
2. The time it takes to wash all the windows on a large building W (x) varies inversely with the number of workers assigned to the job x. It takes 6 hours to complete the job when 4 workers are assigned to it.
Which equation can be used to find the time to complete the job when x workers are assigned to it?
A. W (x) = 1.5x
B. W (x) = 24x
C. W (x) = 10/x
D. W (x) = 24/x
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