Answer:
1600
Step-by-step explanation:
1200 = 75%
1200 ÷ 3 = 25% = 400
400 x 4 = 1600
we know that
The compound interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
n is the number of times interest is compounded per year
in this problem we have
substitute in the formula above
therefore
<u>the answer is the option D
</u>

49.5 mph
I hope it’s helped.