Question

Help, please Jake has $100 of birthday money in his wallet. He spends $15 at Twistee Treat and $10 at Wawa. While walking home he finds a $20 bill on the ground. His friend borrows $40 from Jake. At home, Jake mows the lawn and earns $35. Evaluate an expression to determine how much money Jake has in his wallet.

Answer 1

The expression is
`x=100-15-10+20-40+35`

Jake has in his wallet
`\$90`

Explanation:

Let

x-----> the money that Jake has in his wallet

we know that

The expression that represent the situation is equal to

1) Jake has $100 of birthday money in his wallet

so

`x=100`

2) He spends $15 at Twistee Treat and $10 at Wawa

so

`x=100-15-10`

3) He finds a $20 bill on the ground

so

`x=100-15-10+20`

3) His friend borrows $40 from Jake

so

`x=100-15-10+20-40`

4) At home, Jake mows the lawn and earns $35

so

`x=100-15-10+20-40+35`

`x=\$90`