Answer:
-18
Step-by-step explanation:
Multiply the given equation by 2.
2(a +2b +6c) = 2(-9)
12c +2a +4b = -18
Yep thats right
Dr. Kora will pay an interest of $6,000
Simple interest = P × R × T
Where:
P = Principal = $8000
R = Rate = 7.5% = 0.075
T = Time = 10 years
∴ Simple interest = 8000 × 0.075 × 10 = $6,000
Therefore Dr. Kora will pay an interest of $6,000
here is the correct answer which is <u>D</u>
