SOLUTION: Destiny invests $2500 in one account and $900 in an account paying 4 % higher interest. At the end of one year she had earned $274 in interest. At what rates did she invest?

Question 1072291: Destiny invests $2500 in one account and $900 in an account paying 4 % higher interest. At the end of one year she had earned $274 in interest. At what rates did she invest?

Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
Let n be the interest rate of the first account. Then the interest rate of the second account is n+.04. So:
2500(n)+900(n+.04)=274
2500n+900n+36=274
3400n=238
n=.07
The interest rate on the first account is 7%; the second account is at 11%. ☺☺☺☺
RELATED QUESTIONS
Emma invests $900 in one account and $1800 in an account paying 3 % higher interest. At... (answered by stanbon)

Taylor invests $800 in one account and $1600 in an account paying 4 % higher interest. At (answered by mananth)

Kimberly invests $1700 in one account and $1600 in an account paying 4 % higher interest. (answered by Theo)

Naomi invests $1800 in one account and $800 in an account paying 1 % higher interest. At... (answered by ikleyn)

Natasha invests $2100 in one account and $1400 in an account paying 2 % higher interest.... (answered by Alan3354,ikleyn,greenestamps)

Amy invests $1500 in one account and $1900 in an account paying 3 % higher interest. At... (answered by Boreal,greenestamps)

Brianna invests $2400 in one account and $1900 in an account paying 2 % higher interest.... (answered by macston)

Tiana invests $1900 in one account and $1400 in an account paying 3 % higher interest. At (answered by MathLover1)

Mackenzie invests $800 in one account and $2400 in an account paying 3 % higher interest. (answered by stanbon)