Question

Robin bought a toy car for $x. He sold it at a loss of 10%. Find the expression for the selling price.

Answer 1

Since Robin sold the toy car at a loss of 10%, then the selling price was 90% of the original price. Multiply x times 90/100 to find the selling price:

`(90)/(100)\cdot x=0.9x`

Therefore, the expression for the selling price is:

`0.9x`