Question

You deposit $50 in your saving account. One week later, you withdraw $20. Write each amount as an integer.

(7th grade)

Answer 1

Depositing means that you added 50$ to your account. This means that you account increased by an amount of 50.

The integer describing this is +50.

Then, withdrawing means that you took money from the account. This means that your account decreased by an amount of 20.

This can be expressed as a -20 integer.