Question

A battery was charged. When the charging began, it was 23 percent full. After 30 minutes of charging, the battery was 89 percent full.

How Fast Did The Battery charged? _____ percent per minute

How long did it take the battery to be fully charged? _________ minutes

Answer 1

Each 30 min. is 3x 23

Answer 2

Well, without it being rounded, it 2.96666666667 percent a minute. But, if you round, then it's about 3 percent a minute. Hope this helps!