Asked by Katherina
1. Macon Steinberg purchased a motor scooter with an installment loan that has an APR of 16 percent. The scooter sells for $1,687.00 The store financing required a 20 percent down payment and 30 monthly payments. What was the finance charge?
Answer: $69.19
2. Round and estimate: 457.89 + 43.22
Answer: I get 501.11. Should it be rounded to 501?
3. Rainfall measured 5.5 inches in June, 4.125 inches in July, and 2.75 inches in both August and September. What was the total amount of rainfall for all 4 months?
Answer: 15.13 inches
4. Of 100 students surveyed, 33 like orange soda, 55 like cola and 14 like both. How many did not like orange soda?
Answer: 67
Did I do these correctly?
Answer: $69.19
2. Round and estimate: 457.89 + 43.22
Answer: I get 501.11. Should it be rounded to 501?
3. Rainfall measured 5.5 inches in June, 4.125 inches in July, and 2.75 inches in both August and September. What was the total amount of rainfall for all 4 months?
Answer: 15.13 inches
4. Of 100 students surveyed, 33 like orange soda, 55 like cola and 14 like both. How many did not like orange soda?
Answer: 67
Did I do these correctly?
Answers
Answered by
Henry
1. Po = 0.8 * 1687.00 = $1349.60 = Amt.
financed.
P = Po(1+r)^30
r = 16/12/100 = 0.0133 = Monthly % rate
expressed as a decimal.
P = 2008.05
I = P-Po = 2008.05 - 1349.60 = $658.45
2. Round and then estimate.
ESTIMATE = 458 + 43 = 501.
financed.
P = Po(1+r)^30
r = 16/12/100 = 0.0133 = Monthly % rate
expressed as a decimal.
P = 2008.05
I = P-Po = 2008.05 - 1349.60 = $658.45
2. Round and then estimate.
ESTIMATE = 458 + 43 = 501.
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