Monthly expenditure of a person varies directly to monthly salary monthly salary is 1800 his expenditure is 1500 to find
. His expenditure when his salary increases to 2700
. His salary if he spent 1200 in a month
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Amount of expenditure on 100=
= (1500/1800)×100 = (1500/18)×1
= 1500/18 = 250/3%
1) Expenditure on salary 2700 =
= (250/3)/100 × 2700
= (250/3) × 27
= 250×9
2250
2) salary = (250/3)/100 × x = 1200
250x/3=120000
250x= 120000×3
250x= 360000
x= 360000/250
x= 36000/25
x= 7200/5
x= 1440
so his salary would be 1440
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