Phillips saves $8 each month. how many months will it take him to save at least $60

1st month = $8

2nd Month = $16

3rd Month = $24

4th month = $32

5th Month = $40

6th Month = $48

7th Month = $56

8th Month - $64

After 7 months he only has $56 bucks, not enough to hit $60, but after 8 months he finally has at least $60 (in fact, he has $64)