alan and scott own a sum of money.alan owns 90%.if he gives $16 to scott,he will own 85% of the money.how much money do

分类: 作业答案 • 2021-12-19 23:26:14

问题描述：

alan and scott own a sum of money.alan owns 90%.if he gives $16 to scott,he will own 85% of the money.how much money do they own

答

set x as the money they have
then alan owns 90%x
90%x-85%x=16
5%x=16
x=320
then own $320