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never [62]
3 years ago
8

Aaron borrows $150 from his friend Austin. He promises to pay back the money in 4 monthly installments. Each month he wants to p

ay half the amount he paid the previous month. Assuming Austin does not charge any interest, how much should Aaron pay the first month to repay the money as scheduled?
A. $60
B. $70
C. $80
D. $90
E. $100
Mathematics
1 answer:
Maurinko [17]3 years ago
5 0
  1. Answer C. $80
  • 80-40-20-10=150
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PART A
Change the fractions into improper fractions
pablo - rosa = 4 4/9 - 3 5/12
pablo - rosa = 40/9 - 41/12

Equalize the denominator of the fractions
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pablo - rosa = 1 1/36

Pablo has 1 1/36 quarts more than Rosa

PART B
Calculate the iced tea Pablo gave to Rosa
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iced tea given = 15% × 4 4/9
iced tea given = 15/100 × 40/9
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Rosa's = 41/12 + (2 × 4)/(3 × 4)
Rosa's = 41/12 + 8/12
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