Question

To earn money for a contest, the math team pays $40 for a box of spirit banners. They sell each banner for $3.50. Write an equation for the amount of they will earn.

Answer 1

`3.5b - 40` where
`b` is the amount of banners sold.

Explanation:

We know the team has already spent $40, and they earn #3.5 per banner.

Hence, with
`b` representing the amount of banners sold, the equation is
`3.5b - 40`