The ratio of the incomes of Rajan and Balan is 7:6 and the ratio of their expenditure is 6:5.
The ratio of the incomes of Rajan and Balan is 7:6 and the ratio of their expenditure is 6:5. If at the end of the year, each saves $1000 then the income of Rajan is?
Answer/Solution
$7000
Steps/Work
Let the income of Rajan and Balan be $7x and $6x
Let their expenditures be $6y and $5y
7x-6y = 1000-------1)
6x-5y = 1000-------2)
From 1) and 2)
x = 1000
Rajan's income = 7x = 7*1000 = $7000
Answer is B
Let their expenditures be $6y and $5y
7x-6y = 1000-------1)
6x-5y = 1000-------2)
From 1) and 2)
x = 1000
Rajan's income = 7x = 7*1000 = $7000
Answer is B