Tonia deposited a total of $174.52 into her checking account. She also withdrew a total of $186.15. Use addition to find the net change in Tonia’s checking account.

She's in the red and owes a hefty overdraft fee.

186.15 + (-174.52) = -11.63

To find the net change in Tonia's checking account, we need to add up the total amount she deposited and subtract the total amount she withdrew.

First, let's add up the deposits:
$174.52

Next, let's subtract the withdrawals:
-$186.15

To find the net change, we can add the amount deposited to the amount withdrawn:
$174.52 - $186.15 = -$11.63

The net change in Tonia's checking account is -$11.63. This means her account has decreased by $11.63.