Question

Grandpa Ernie is shrinking! Over the past 444 years, his height decreased by a total of 2.4 \text{ cm}2.4 cm2, point, 4, space, c, m. It decreased by the same amount each year. What was the change in Grandpa Ernie's height each year?

Answer 1

Since Grandpa Ernie's height decreased by the same amount each year, we can simply divide the total height decrease of 2.4 cm, by the total number of years, which is 444 years. This gives us:
2.4 cm / 444 years = 0.00541 cm/yr
So Grandpa Ernie's height decreased by 0.00541 cm/yr.