Question

Molly's Great-Grandma Pat is turning 100 years old! The family throws her a party, and Molly helps her open a large stack of birthday cards. After opening 23 cards, they stop so Grandma Pat can blow out the birthday candles. Molly and Grandma Pat leave the remaining 64 cards for later.
Use an equation to find the total number of birthday cards in the stack.

Answer 1

Answer:

87

Step-by-step explanation:

Add the number of cards they already opened to the number of cards they will open later: 23 + 64 = 87