It takes 1 pound of flour to make y cakes. The price of flour is w dollars for x pounds. In terms of w, x and y, what is the dollar cost of the flour required to make 1 cake?

The dollar cost of the flour required to make 1 cake is:

$ w / (xy)

Step-by-step explanation:

It is given that:

It takes 1 pound of flour to make y cakes.

This means that in order to make 1 cake the amount of flour required is: 1/y pound.

The price of flour is w dollars for x pounds.

Cost of x pounds = $ w

Cost of 1 pound = $ w/x

Cost of 1/y pound = $ w / (xy)

i. e.

Cost of making 1 cake = $ w / (xy)