Answer:
Interest rate is 5.25% a year.
Step-by-step explanation:
r = (1/54)((22252.5/18000) - 1) = 0.004375
r = 0.004375
Convert decimal to percentage
R = 0.004375 * 100 = 0.4375%/month
Calculate annual rate
0.4375%/month × 12 months/year = 5.25% per year.
Answer:
Step-by-step explanation:
Value of Sam's car after t years =
=
Value of Sam's car in 5 years=

= $ 4437
21 + 28 = 49 students
Ration of history 21 to students 49 = d)21:49
Answer:
$226.57
Step-by-step explanation: