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Alona [7]
3 years ago
12

Three years ago, Ava lent her sister $400 to buy some clothes. Today Ava’s sister paid her loan in full with $454. What simple a

nnual interest rate did she pay?
Mathematics
2 answers:
Ostrovityanka [42]3 years ago
5 0
Ava's sister paid a 4.5% annual interest rate

Her sister paid $54 more than she borrowed, divide that by 3 (years till she paid)

54/3 = 18

That's $18 for every year she'd had the $400 loan out, divide it by 4 to get the percentage 

18/4 = 4.5/100 = 4.5%
forsale [732]3 years ago
3 0

Answer:

the answer would be 4.5%

Step-by-step explanation:


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