Leah had 32 chocolates and her sister had 42. If they ate 35, how many pieces do they have left in total?
Leah had 32 chocolates and Leah’s sister had 42. That means there were originally 32 + 42 = 74 chocolates. 35 have been eaten. So in total they still have 74 - 35 = 39 chocolates.
Answer: 39