Part A

Katie just opened a checking account at the bank. Within the first month, she deposited three checks for $23.87, $41.03, and $61.33. She withdrew $4.34 for new pencils, $21.11 for earbuds, and $8.78 for movies from her account in the same month.

Write Katie’s withdrawals as negative rational numbers and her deposits as positive rational numbers.

Part B

Order the rational numbers from least to greatest and explain your reasoning.

Part C

At the beginning of the month Katie’s balance was $128. What was her balance at the end of the month after all of her deposits and withdrawals?