母亲 = X+28女儿 = x(x+5)*5 = X+28+55x+25 = x+335x - x = 33-254x = 8x =2母亲 = 30答案是15倍
设女儿现在的年龄为x，则由题意：5(x+5)= （X+28)+5 解得 x =2 所以母亲现在的年龄为 X+28 =2+28 =30 是女儿的15倍
