Indira withdrew $20 from her account every day for 5 days, then deposited $45 into the account. which expression represents the change in the amount in her account?

Step-by-step explanation:

Given : Indira withdrew $20 from her account every day for 5 days, then deposited $45 into the account.

To Find: Which expression represents the change in the amount in her account?

Solution:

We are given that she withdrew in 1 day = $20

So, She withdrew in 5 days =

Since she is withdrawing $100

So, withdrawal = -100

Then she  deposited $45 into the account.

So, expression:

-55 shows the change in the amount in her account

Negative sign shows that balance will be decrease by 55.

Hence expression:

9x