解
解
解答ステップ
Translate the problem into an equation:
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人気の例
Six years ago a father was twelve times as old as his son. In three years time the father will be three times as old as his son. How old are they now?An initial amount of 2100 is invested in an account at an interest rate of 5% per year, compounded continuously. Assuming that no withdrawals are made, find the amount in the account after two years. Do not round any intermediate computations, and round your answer to the nearest cent.The radius of a circle is 4 miles. What is the 円周four more than the quotient of a number and 7 is 2The length of a rectangle is 4 miles and the width is 10 miles. What is the 面積 of the rectangle?