Asked by Anonymous

Mr chen deposits a certain amount in a bank if the interest of the bank decreased from 3.75% to 3.5% per annum mr chen's interest decrease by 50$ in a year find the sum of amount he deposits
Answered by MathMate

Difference in interest rate
=3.75%-3.5%
=0.25%

Difference in $
= $50

Use direct proportion
0.25% : 50$
100% : ?
Answered by tahoor arif
3.75 - 3.50 = 0.25

I=PRT/100
50=P x 0.25 x 1/100
50= 0.25P/100
cross multiplication
5000=0.25P
P= 5000/0.25
P= 20000
Answered by Daniyal Saqib
3.75 - 3.50 = 0.25

I=PRT/100
50=P x 0.25 x 1/100
50= 0.25P/100
cross multiplication
5000=0.25P
P= 5000/0.25
P= 20000
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