Question

a jewelry store has 31 diamond necklaces, 10 ruby necklaces, and 27 emerald necklaces. how many necklaces does the store have in all? \boxed{} necklaces

Explanation:

Step1: Identify the numbers to add

We have 31 diamond, 10 ruby, and 27 emerald necklaces. So we need to add 31, 10, and 27.

Step2: Add the numbers

First, add 31 and 10: $31 + 10 = 41$. Then add 27 to the result: $41 + 27 = 68$.

Answer:

68