Question

The math class has a set of 40 calculators, and 85% of the calculators have working batteries. How many calculators need new batteries

Answer 1

6

Explanation:

you will multiply 40 times .85 since the percent you move the period two times to the left you will get an answer of 34.

you will then subtract 34 out of the 40 and you will get the answer 6.