Question

In January, the depth of a lake was 942 feet. In August, the depth of the lake was 565.2 feet. What is thepercentage decrease of the depth of the lake from January to August?40%48%60%67%

Answer 1

In January, the depth of a lake was 942 feet. In August, the depth of the lake was 565.2 feet. What is the

percentage decrease of the depth of the lake from January to August?

40%

48%

60%

67%

we have that

942 feet represent the 100%

Find the difference in feet

942-565.2=376.8 ft

Spplying proportion

942/100%=376.8/x

solve for x

x=376.8*100/942

x=40%

therefore

teh answer is 40%