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         Three friends are renting an apartment. They pay landlord first
month’s rent . Landlord requires them to pay In addition half month’s rent as security deposit,40% of month’s rent as utility bill, 5% of month’s rent for health club,
13% of month’s rent per person for other services.They pay $2574
to landlord before moving in.Find monthly rent using 1-variable linear equation.

Answer :

calculista
Let 
x----------------------- > monthly rent

we know that

first month’s rent----------- > x
security deposit-------------- > 0.5 x
utility bill------------------------ > 0.40 x
health club-------------------- > 0.05 x
other services----------------- > 3*0.13x------ > 0.39x

$2574=[x+0.50x+0.40x+0.05x+0.39x]-------- > 2574=2.34x
x=2574/2.34=1100

the answer is $1100

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