Asked by chas

Mary is borrowing $3130 from a Loan Shark that will charge 4% APR. After being threatened for 18 weeks straight, Mary will pay the Loan Shark back.

How much interest will Mary pay for this loan?
How much will Mary have to pay the loan shark back?
Answered by Ms. Sue
I = PRT
I = 3,130 * 0.04 * 0.34615
I = ?

Answered by chas
where did you get the 0.34615 from
Answered by Ms. Sue
18/52 = 0.34615

Answered by chas
SOrry to keep asking but im still not understanding where the 52 is coming from?
Answered by chas
nrvm
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