7. Javier worked the following hours in the
month of October. What was the percem
increase from week 2 to week 4?
WEEK
HOURS
18
25
2
24
33

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.