Ryleigh Adams

Mathematics

19 August, 12:12

1. A farmer is monitoring the water content of the soil during a dry summer.

The water content of the soil is decreasing at a rate of 2.5% per week. If

a certain soil sample contains 200 grams of water on July 1st, which

equation describes the relationship between y, amount of water in grams,

and t, time in weeks after July 1st?

A y = 200 (0.75) '

B. y = 200 (0.975)

C. y = 200 - 0.0251

D = 200 - 0.251