Question

- The water level of a lake fell by 13 inches during

a 15-week-long dry spell. Simplify the complex

fraction below to find the average rate at which

the water level changed every week.

-1 1/2 over 1 2/3 inches/week

Answer 1

r = - 13 / 15 inches/week

Explanation:

The numerator is 13

and the denominator is 15, then we have

r = - 13 / 15 inches/week

r < 0 since the water level of the lake fell