Tilly earns p dollars for every w hours of work. Which expression represents the amount of money, in dollars, Tilly

Question

Tilly earns p dollars for every w hours of work. Which expression represents the amount of money, in dollars, Tilly earns for 39 w hours of work?

Accepted Answer

Choice A is correct. It&rsquo;s given that Tilly earns p dollars for every w hours of work. This can be represented by the proportion p w . The amount of money, x , Tilly earns for 39 w hours of work can be found by setting up the proportion p w = x 39 w . This can be rewritten as 39 p w = x w . Dividing both sides by w results in x = 39 p . Choice B is incorrect. This is the amount of money Tilly earns in dollars per hour, not the amount of money Tilly earns for 39 w hours of work. Choice C is incorrect. This is the amount of money Tilly earns for w hours of work plus 39 , not the amount of money Tilly earns for 39 w hours of work. Choice D is incorrect. This is the amount of money Tilly earns for w hours of work minus 39 , not the amount of money Tilly earns for 39 w hours of work.

Question tilly-