Mathematics

Violet

1 December, 06:02

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