Question

A restaurant owner estimates that his restaurant will serve 430 customers the first week it is open. The actual number of customers the first week is 400. Find the percent error.

Answer 1

7.5%

Explanation:

30/400→3/40

40÷3=0.075

0.075=7.5%

so the answer is 7.5%

Answer 2

well, what is 30/400 as a percentage?