11. 2(9x + 15)- 2(8 + 2x) 12.(7x - 12) - 2(3x + 10) Help pls
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Work shown above! Answer is C
The average interest gained from three accounts in one year is $913.224
<u>Explanation:</u>
Given:
Bank A:
Principal, P₁ = $250.67
Rate, r₁ = 12 %
Bank B:
Principal, P₂ = $765.13
Rate, r₂ = 7 %
Bank C:
Principal, P₃ = $28500.36
Rate, r₃ = 9 %
Interest from Bank A:
Interest from Bank B:
Interest from Bank C:
Average interest gained from three accounts in one year :
Therefore, average interest gained from three accounts in one year is $913.224