Question

A boy spends 30% of his pocket money and had
4.90 left. How much pocket money did he get?​

Answer 1

Answer:

Let his pocket money to be ₹x

Money spend = 30% of x

= 30/100×x

= 3x/10

Money left = x- 3x /10

= 10x -3x /10

= 7x /10

A.T.Q

7x/10 = 4.90

7x = 4.90× 10

7x =49

x = 49/7

x =7

His pocket money is ₹7

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Answer 2

Answer:

He get 7 as his pocket money.

Step-by-step explanation:

Given:

The money boy had after spending 30% on it = 4.90

To Find:

His actual pocket money.

Analysis:

Let the initial amount of money he had be 'x',

Equation formed:

x - (30% of x) = 4.90

x - ($\frac{30}{100}$ × x) = 4.90

x - $\frac{3x}{10}$ = 4.90

$\frac{7x}{10}$ = 4.90

x = 4.90 × $\frac{10}{7}$

x = 7

His original pocket money = 7

Hence, his pocket money was 7.