My grandson is about as many days as my son is weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 160 years. www.ddhw.com
Can you tell me my age in years?www.ddhw.com
作者: ac_x 时间: 2004-11-5 08:39 标题: answer
x + y + z = 160
12 x = z
7 x = ywww.ddhw.com
therefore x = 8, z = 96www.ddhw.com
i am 96 years old
www.ddhw.com
作者: ob 时间: 2004-11-5 08:55 标题: Good! Welcome[@};-]