解
解
解答ステップ
Translate the problem into an equation:
人気の例
The sum of three numbers is 81. The third number is 2 times the first. The second number is 7 less than the first. What are the numbers?If a number is added to the numerator of 3/7 and the same number is subtracted from the denominator, the result is 4. Find the number.If 1200 is invested in an account that earns 9.01% compounded annually for 6 years, find the interest earned during each year and the amount in the account at the end of each year.The radius of a 円 is 10 inches. What is the area?Twice the 差 of a number and 4 equals 5.