Question

9. Vinit and Narendra gain 6,000 and 8,000 monthly. The expense 70% and 80% of their income respectively.
Find the ratio between their savings.​

Answer 1

Answer:

9:8 will be the ratio of savings.

Step-by-step explanation:

Given-:

The expense of Vinit and Narendra are 70% and 80% respectively

Therefore-:

The savings of Vinit and Narendra will be 30% and 20% respectively

We need to find-:

The ratio of the savings of Vinit and Narendra.

According To Question-:

$= > \frac{30\% \: of \: 6000}{20\% \: of \: 8000} \\ = > \frac{ \frac{30}{100} \times 6000 }{ \frac{20}{100} \times 8000 } \\ = > \frac{ \frac{30}{ \cancel100} \times 6000 }{ \frac{20}{ \: \cancel100} \times 8000 } \\ = > \frac{30 \times \cancel6000}{20 \times \cancel8000} \\ = > \frac{ \cancel30 \times 3}{ \cancel20 \times 4} \\ = > \frac{9}{4} \\ = > 9 \ratio8$

Hence-:

The ratio of savings of Vinit and Narendra will be 9:8.

Answer 2

Answer:

In case of Vinit :

Income of Vinit = 6,000

Expense of Vinit = 70%

Saving of Vinit = (100-70)% = 30%

In case of Narendra :

Income of Narendra = 8,000

Expense of Narendra = 80%

Saving of Narendra =(100-80)% = 20%

Ratio between their savings :

$= \frac{30\% \: of \: 6000}{20\% \: of \: 8000} \\ = \frac{ \frac{30}{100} \times 6000 }{ \frac{20}{100} \times 8000 } \\ = \frac{30 \times 60}{1 \times 1600} \\ = \frac{3 \times 3}{1 \times 8} \\ = \frac{9}{8} \\ = 9: 8$