6) Kailash used to spend 85% of his income. When his income increased by 36% his
expenses also increased by 40% of his earlier expenses. How much percentage of his
earning he saves now?
Surogh and Preeti is 807.000 munees, The percentages of
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Answer:
let, Kailash's income = x
Amount spend =85% of x
=
100
85
×x
Amount saved =x−
100
85
x
=x(
100
15
)
New income after increase 36%
=x+
100
36
x
=
100
136
×x
New amount spent =
100
85
×x+
100
40
×(
100
85
×x)
=
100
85
×x+
100
34x
=
100
119
x
New saving = income -amount spent
=
100
136
×x−
100
119
x
=
100
17
x=17%
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