解答
解答
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A.T.Q.:
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A child is 12 years old, and his father is 32 years older. In how many years will the father be 3 times as old as the child? Make an equation to solveThe product of 4 , and a number decreased by 7Erin earned some money doing odd jobs last summer and put it in a savings account that earns 12% interest compounded quarterly. After 2 years, there is 100.00 in the account. How much did Erin earn doing odd jobs?Round your answer to the nearest cent.the radius of a circle is 10cm. Find its 周长 in terms of piSophie invested 93,000 in an account paying an interest rate of 5.6% compounded quarterly. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the account to reach 170,500?