Question

Weekly income of two persons are in the ratio of 7:3 and their weekly expenses are in the
ratio of 5:2. If each of them saves 300 per week, then the weekly income of the first person
is

​

Answer 1

Answer:

Rs. 6300

Step-by-step explanation:

Let the incomes of two persons are 7x and 3x

Expenditure of first person = 7x - 300

Expenditure of second person = 3x - 300

According to the question,

7x−300/3x−300=52

=> 14x-600 = 15x-1500

x = 900

Income of first person

= 7x = 7×900=RS.6300

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Answer 2

Step-by-step explanation:

7x -5y=3x-2y

== 4x=3y

so y =4/3*x

now 7x-5y=300

bcoz one of them saves 300

adding x value in

7x -5*4/3*x=300

7x - 20x/3=300

x=900

1st person income 7x so 7*900=6300

2nd person income 3x=3*900=2700