Question

out of her total monthly salary . tanavy spends 30% on house rent and 60%of the rest on household expenditure if he saves rs 10 500 what is her total monthly salary

Answer 1

Hey sup!

As per the question,

Let tanvi's monthly salary be x.

House rent=30%.
Remaining=x(1-30/100)=70x/100.

Household expenditure=60%.
Remaining=70x/100(1-60/100)=70x/100*40/100=28x/100.

Also, savings=10500.

So, 28x/100=10500.
=>x=10500/28 × 100.
=>x=375×100=37500Rs.

So, tanvi's monthly salary is 37500Rs.

Hope it helps.

Answer 2

Let her house rent be yy.

⇒y=30100×x⇒y=30100×x

⇒y=3x10⇒y=3x10.

Then the rest amount that she will have, will be 

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CBSE

Maths

Grade 8

Percentage



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Out of her total monthly salary, Tanvy spends 30% on house rent and 60% of the rest on household expenditure. If she saves ₹ 10500, what is her total monthly salary?



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Hint: Use properties of percentage. Use the logic that savings is the rest of salary after deducting expenditure from the total salary.

Complete Step by Step Solution:

Let the total monthly salary of Tanvy be xx.

She spends 30% on house rent.

Let her house rent be yy.

⇒y=30100×x⇒y=30100×x

⇒y=3x10⇒y=3x10.

Then the rest amount that she will have, will be