123k views
3 votes
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.

User Lalita
by
8.0k points

2 Answers

4 votes
20 (15+35)-300=? Dollars left
User Afrim
by
8.2k points
6 votes

Answer:

The expression is :
20(15+35)-300

Explanation:

Every week for 20 weeks, Kathy earned $15 for mowing lawns and $35 for delivering newspapers.

In 20 weeks, the earnings from mowing lawns will be =
15*20

In 20 weeks, the earnings from delivering newspaper will be =
35*20

At the end of 20 weeks she spent $300 and was left with :


(15*20+35*20)-300 dollars

Or can be written as :
20(15+35)-300 dollars

This is the expression to solve the problem.

User Sean Mickey
by
7.6k points
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