Question

the ratio of the sam's monthly saving to expenditure is 2:7. His monthly income is ₹72000. what is the percentage of his saving per month.​

Answer 1

Answer:

22.22%

Step-by-step explanation:

Given:

Monthly Income = ₹72000

Ratio of saving : expenditure = 2 : 7

Find 1 unit:

2 + 7 = 9 units

9 units = ₹72000

1 unit = 72000 ÷ 9 = ₹8000

Find savings:

Savings = 2 units

1 unit = ₹8000

2 units = 8000 x 2 = ₹16000

Find the percentage of saving per month:

Percentage = saving / total x 100

Percentage = 16000/72000 x 100

Percentage = 22.22%

Answer: 22.22%

Answer 2

Answer:

2x:7x given. 2x + 7x = 72000.

9x = 72000

x = 8000

saving = 16000 .per month

perc = 16000/72000*100 = 22.2%