Problem Solving
If seven coins add to $1, what
could the coins be?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

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.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?