解答
Kelly is 8 years younger than her sister. The sum of their ages is 44 years. How:old is Kelly and how old is her sister?
解答
求解步骤
Translate the problem into an equation:
求解
找到 Sister's age
流行的例子
21.Pamela is 14 years younger than Jiri. The sum of their ages is 30. What is JiriEvange直线 is 34 years older than her daughter Francesca. Three years from now, she will be thrice as old as her daughter. How old are they now?The 差集 of twice a number and 5 is greater than or equal to 17an account is opened with an initial deposit of 6500 and earn 3.6% interest compounded weekly. what will the account be worth in 20 years?the 差集 between a number and 5 times the number is 8