Question

The incomes of three persons A, B and C are as 5:4:3 and their spendings are as 8:5:4. If A saves * 80 out
of an income of 1,200, find the savings of B and C.
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Answer 1

Answer:

saving B is 1175

saving C is 9976

Answer 2

Let the incomes of A,B and C be 5x,4x and 3x and their expenses be 8y,5y and 4y.

ATQ.

₹80=1200–8y

==>8y=1200-80

==>8y=1120

==>y=1120/8=140

Since,A's income,ie 5x,is given ₹1200

==>5x=1200

x=1200/5=240

Therefore,

income of B =4x=4×240=₹960

Expenses of B=5y=5×140=₹700

Savings of B =Income–expenses

=₹960-₹700=₹260

Income of C=3x=3×240=₹720

Expenses of C=4y=4×140=₹560

Savings of C=income-expenses

=₹720-₹560=₹160

So,savings of B and C are ₹260 and ₹160 respectively.