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Author Question: A cake cafe had 50 pastries on Monday morning and received 20 pastries on Monday afternoon. On ... (Read 137 times)

kamilo84

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on: Jun 24, 2018
A cake cafe had 50 pastries on Monday morning and received 20 pastries on Monday afternoon. On Tuesday morning it had 10 pastries on hand. How many pastries did it use on Monday?

Question 2

Daniel White borrowed 5,00 . for 80 days. At the due date, he paid 70 interest and repaid all of the principal. What was the ordinary simple interest rate (360-day year) that was charged on the loan? (To nearest 1/10 of a percent.)


irishcancer18

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Reply #1 on: Jun 24, 2018
Answer to Question 1

50 + 20 = 70 pastries; 70 - 10 = 60 pastries

Answer to Question 2

R = I  (PT) = 70  (5,00 .  80/360) = 0.063 = 6.3


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