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In what time will be ?25 become ?37 at 12% simple interest per year.?

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eginarrayl	extGiven that,\ P=25, r= 12\% , A=37\ 	extAs we know that,\ 	extsimple intertst left(I
ight)=fracleft(P	imes r	imes t
ight)100\ 	extamount left(A
ight)=P+I\ 37=25+fracleft(25	imes12	imes t
ight)100\ Rightarrow37-25=fracleft(25	imes12	imes t
ight)100\ Rightarrow12=fracleft(25	imes12	imes t
ight)100\ Rightarrowfrac12	imes10012	imes25=t\ Rightarrow t= 4 yearendarray

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Deependra Verma

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