Problema Solution

Javier invests money in two simple interest accounts. He invests four times as much as an account pay 10% a s he does in account paying 4% if he earns $187.00 in interest in one year from both accounts combined. How much did he invest altogather. Total principle in both accounts

Answer provided by our tutors

10% invest: 4x

4% invest: x

So

4x*10%+4%x = 187

x = 425

So

425*5 = 2125

So he invest $2125  altogather