解
解
解答ステップ
Translate the problem into an equation
Solve the equation
人気の例
Edwin’s father is at present twice as old as Edwin. Five years ago, the sum of their ages was 59 years. Calculate Edwin’s present age.bob is 1/2 that of barry's. Five years ago, Bob was 3 times as old as Barry. Find the age of bothIf five is added to three or more than a certain number, the result is 19. What is the number?The sum of 2 numbers is 144 and their 差 is 88 what is itThe sum of a number and the square of that number is 12 . What is the number(s)?