甲,乙,丙三个数的和是231,甲比乙等于二比三,乙比丙等于四比五,甲乙丙三个数各是多少
问题描述：
甲,乙,丙三个数的和是231,甲比乙等于二比三,乙比丙等于四比五,甲乙丙三个数各是多少
答
x + y + z = 231
3x = 2y => y = 1.5x
5y = 4z => z = 1.25y = 1.875x
x + y + z = x(1+1.5+1.875)= 4.375x = 231
甲x = 52.8
乙y = 79.2
丙z = 99