Question

The depth y(in feet) of a river after x years is y=0.1x+10,Can you find the number of years it would take to reach a depth of 13 feet?

Answer 1

30=x

Explanation:

Answer 2

Answer: 30=x

Explanation:

y=0.1x+10

plug in 13 ft

13=0.1x+10

13-10= 3

10-10=0

3=0.1x

30=x