Question

The lifespan of a zebra is 15 years. The lifespan of a black bear is 3 years longer than the lifespan of a zebra. Write an addition equation that you could use to find the lifespan of a bear.​

Answer 1

15 + 3 = 18 my guy you got this

Answer 2

15+3=18 years

Explanation:

Since the black bear lives 3 years longer than the zebra, all it really means is 3 additonial year so you add 3 on to the 15.