From 74 hours to 85 hours find each percent change to the nearest percent if state if it's an increase or decrease

15% increase

Explanation:

we know that

74 hours represent the 100%

so

by proportion

Find out what percentage represent the difference between 85 hours and 74 hours (85-74=11 hours)

Let

x -----> the percent change

Round to the nearest percent

Remember that

If the percent change is greater than 1, then the percent change is an increase

If the percent change is less than 1 and greater than 0, then the percent change is a decrease

In this problem the percent change is greater than 1

so

Is an increase

i would think b and c