Question

A macaw's lifespan is on average about 5 times longer than a dog's

lifespan. If a macaw's lifespan is about 70 years, write and solve an
equation to show the average length of a dog's lifespan.

Answer 1

dog =14

Explanation:

mcaw = 70

dog = 70/5

dog = 14

Answer 2

Let M=macaws lifespan and D=dogs lifespan

M=5D
70=5D

If you want to know the dogs average lifespan then solve for D which is 14years.