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sertanlavr [38]
3 years ago
8

Margo borrows $800 agreeing to pay it back with 5% annual interest after 16 months. How much interest will she pay?

Mathematics
2 answers:
Leno4ka [110]3 years ago
7 0

Answer:

$53.33

Step-by-step explanation:

We are asked to find the amount of interest paid by Margo.

We will use simple interest formula to solve our given problem.

I=Prt, where,

I = Amount of interest,

P = Principal amount,

r = Interest rate in decimal form,

t = Time in years.

Let us convert our given rate in decimal form and time in years as:

5\%=\frac{5}{100}=0.05

16\text{ months}=\frac{16}{12}\text{ years}=\frac{4}{3}\text{ years}

I=\$800*0.05*\frac{4}{3}

I=\frac{\$160}{3}

I=\$53.3333\approx \$53.33

Therefore, Margo paid $53.33 in interest.

Andru [333]3 years ago
4 0
She will pay $640 because....

800(.05)= 40

40x16= 640

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