解
Cody is twice as old as Evan. Three years ago the sum of their ages was 27. Find the age of Evan three years ago.
解
解答ステップ
Translate the problem into an equation:
を解く
発見する Evan's age 3 years ago:
人気の例
Seven less than twice a number is the same as one less than the number.Find the number.Five less than a number squared is 30 more than twice the number. Find the number.twenty less than one third of the number is 72.find the numberSubtract a number from 7 and the result is 4 . Find that number.Twice a number reduced by 5 equals the number. Find the number.