解答
解答
求解步骤
Translate the problem into an equation:
流行的例子
four subtracted from a numberAfter 1 year the father age will be 4 times the age of his son. After 5 years the father age will be three times the age of his son. Find the age of the father and his sonWhat is the result when the number 66 is decreased by 8%?Caleb types 100 words in 5 minutes. What is the 单位 rate?the product of a number and 7 is 14