Question

The amount of shore at a local beach changes an average of -3/4 foot each year. What is the change in the amount of shore after 7 years and 4 months ( 7 1/3)

Answer 1

- 5 1/2 feet

Explanation:

You want the change in shoreline after 7 1/3 years if it changes at the rate of -3/4 foot per year.

Amount

The amount of the change is the product of time and the rate of change:

q = rt

q = (-3/4 ft/yr)(7 1/3 yr) = (-3/4)(22/3) ft = -11/2 ft

The amount of change in the shore is -5 1/2 feet.

<95141404393>