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Kathleen earned some money doing odd jobs last summer and put it in a savings account that earns 4% interest compounded annually. After 7 years, there is 100.00 in the account. How much did Kathleen earn doing odd jobs?Round your answer to the nearest cent.Ishaan is 2 times as old as Christopher. 35 years ago, Ishaan was 7 times as old as Christopher. How old is IshaanEmmett opened a savings account and deposited 700.00. The account earns 1% interest, compounded quarterly. If he wants to use the money to buy a new bicycle in 3 years, how much will he be able to spend on the bike?The reciprocal of five less than a number is 4 times the reciprocal of twice the number. Find the number.\$6000 grows to \$8329.13 in 8 years under continuous compounding. Find the interest rate. Round to the nearest tenth of a percent.