Last year Hellen had $272,000 to invest . she invested part of her savings in an account (account 1) that pays an annual interest rate of 12%and the rest in an account ( account 2 ) that pays an annual interest rate of s % where s =12/10

if after a year she gets an average return on her investments of (12/3)%, how much did she invest in account 2 ( please solution should be detailed)