解答
Tim is now 12 years old. After how many years will his age be greater than twice his present age?
解答
求解步骤
Translate the problem into an equation:
求解
流行的例子
A is now 34 years old, and B is 4 years old. In how many years will A be twice as old as B ?earl runs 75 meters in 30 seconds. how many meters does earl run per secondWhen 8 times a number is increased by 4, the result is 60. Find the number.One number is thrice more than four times another. If the sum of the numbers is 18, what are the numbers?one fourth of a number decreased by 10 is-50. find the number