2470.62 – Solar Panel
If a certain type of solar panel were to be sold for , the seller would take a 15 percent loss based on materials required to produce it. If the same solar panel were sold for , the seller instead would make a 15 percent profit based on cost. What is the ratio of to ?
If is the cost of producing the panel, then we know that and . Therefore:
The ratio of to is 17 to 23, or about 3 to 4.
(Is this problem for real, or is it just a cheap way of having students to do a lot of work?)