Solve the problem.
-Research shows that 12% of 6th graders in K-6 schools have tried cigarettes and 61% of 7th graders in 8-9 or 7-9 middle schools have tried cigarettes. The percent increase, to the nearest percent, is
A)-49%
B)408%
C)80%
D)49%

Question

Quizplus · Accepted Answer

The percent increase from 12% to 61% is calculated by the formula: [(New Value - Old Value) / Old Value] * 100. So, [(61 - 12) / 12] * 100 = 408%.

Solve the Problem. -Research Shows That 12% of 6th Graders in K-6 Schools