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17 votes
I really need someone to explain to me on how to solve these!! :(

I really need someone to explain to me on how to solve these!! :(-example-1
User Matt List
by
3.8k points

1 Answer

11 votes

Answer:

3.7%

Explanation:

(p)principal=$3400

(t)time=9months=9÷12year=3÷4year

(i)interest=$94.50

(r)rate=?

we have

r%=i/(pt)

r%=94.50÷(3400×3÷4)

r÷100=94.50÷2550

r=0.37×100

r=3.7

required rate is 3/7%

User Llewellyn
by
5.0k points