Question

The level of a city's water reservoir was −12 3/4 inches relative to its normal level. After a rainfall, the level increased 3 1/4 inches. What was the level of the reservoir after the rainfall? Enter your answer as a mixed number, in simplified form, in the box. in.

Answer 1

-12 3/4 + 3 1/4

subtract the 2 numbers and take the sign of the larger

12 3/4 - 3 1/4

9 2/4

9 1/2

take the negative sign

- 9 1/2 inches