Lời Giải
Lời Giải
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Represent the number with
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Twice the sum of a number and six is twenty,:What is the number?two increased by three equals the quotient of ten and two.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.