Question

Ek vaykti 4000 rupye mansik kamta hai tatha 80% kharch karta hai. uski mansik bachat kya hai?
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Answer 1

Answer:

800

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Answer 2

Answer:

800rs

Step-by-step explanation:

Step 1: Our output value is 4000.

Step 2: We represent the unknown value with x.

Step 3: From step 1 above,

rs4000=100"

Step 4: Similarly, x=80%

Step 5: This results in a pair of simple equations:

4000=100%(1)

x=80%(2)

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both

equations have the same unit (%); we have

(4000)(x)=(100%)(80%)

Step 7: Again, the reciprocal of both sides gives

{x}{4000}=\{80}{100}

x=3200

Therefore, 80% of 4000 is 3200.

so.he expenditures of month is of 3400rs

so.4000-3400=800

800 is his saving of the month...

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