Question

To raise money for charity, Monica and her friends start the Pampered Pooch Pet Wash. The first day they are open, they forget to put up posters and only raise a little money. The next day, they hang posters all over the neighborhood and raise $55.50. In all, Monica and her friends raise $65.50 on the first two days they are open. Which equation can you use to find the amount of money a Monica and her friends raise on the first day?

55.50a = 65.50
a + 55.50 =65.50
a - 65.50 = 55.50
a - 55.50 =65.50​

Answer 1

Explanation:

`a` is the amount earned on the first day.

She earnt $
`$a` dollar on day 1, $55.50 on day 2, and $65.50 total in the 2 days.

So we get

`a+55.50=65.50`