40.5k views
8 votes
Adrian invested a total of $7000 in two accounts. One account pays 5% interest annually; the other pays 4% interest annually. At the end of the year, Adrian earned a total of $300 in interest. Write and solve a system of equations to find how much money Adrian invested in each account.

Adrian invested ____ in the 5% account and ____ in the 4% account.

User Romerun
by
3.5k points

1 Answer

3 votes

Answer:Cost = $33 per month + Fee 1. C(m) = 33m + F 33(6) + F = 228198 + F = 228F = $30 membership fee C(m) = 33m + 30 2. At 9 months: 33(9) + 30 = $327

Explanation:

User Kuan
by
3.8k points