Rusty's hair grows at the rate of 1/4 inch per month. How many months will it take rustys hair to grow 5/8 inch

1/4 = 2/8. Remember that. This means that 1/8 is equal to half of a month. It there is 5/8, you can add a half month for every eights. In this case, it will take 2 and a half months