Mathematics

Lorena

20 June, 05:34

Every week for

20

weeks, Kathy earned

$15

for mowing lawns and

$35

for delivering newspapers. At the end of

20

weeks, she stopped mowing lawns and delivering newspapers and spent

$300

. She didn't earn or spend any money besides what is described here.

Write a numerical expression with parentheses for the amount of money Kathy has left.

Do not simplify your expression.