For 6 hours charges $330
for 9 hours charges x
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x = 9*330/6 = 495 so choice C. is right
3^3 is equal to 3 * 3 *3, which is equal to 27
Answer:
$448
Step-by-step explanation:
First, converting R percent to r a decimal
r = R/100 = 7%/100 = 0.07 per year,
then, solving our equation
I = 3200 × 0.07 × 2 = 448
I = $ 448.00
USE THE EQUATION Interest= Principal x rate x time
