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Murljashka [212]
3 years ago
11

A family charges a trip to the zoo on a credit card. The simple interest rate is 12%. The charges are paid after 3 months. What

is the total amount paid for the trip? Round your answer to the nearest hundredth.
Tickets 67.70
Food 62.34
Gas 45.50
Mathematics
1 answer:
vodomira [7]3 years ago
5 0
The formula for simple interest is: A = P(1 + rt)
R=12
We are going to convert the percent (12) into a decimal.
r = R/100 = 12/100 = 0.12
Then, we are going to put the months into years.
3 / 12  = 0.25
Let's plug in the values:
A = 175.54(1 + (0.12 * 0.25)) = 180.8062
A = 180.81
The total amount paid for the trip is $180.81

Have a nice day! :)
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