The answer is E because during 5:00-9:00 the temperature didn’t change
A. 9 and 7+2x
B. 1 and 2 respectively.
C. 2 from 2x
The concept useful in finding the answer to this item is ratio and proportion, the ratio of the height of your friend with the shadow casted should be proportional to the height of the rock with the length of the shadow it cast. That is,
5.5 ft / 18 ft = x ft/ 209.5 ft
The value of x from the equation above is 64 ft.
