Question

a cost of a tv and a vcr together is rs 27,800 the cost of vcr is rs 1600 less than twice that of the tv set find the cost of the both

Answer 1

SOL) Sum of the cost of both the appliances= rs. 27,800
Let the cost of tv be x.
Cost of vcr= 2x-1600
ATQ, 2x-1600+x=27800
=3x-1600=27800
=3x=27800+1600
=3x=29400
=x=29400÷3
=x=9800rs.
Cost of tv is Rs. 9800
Cost of vcr is 2x-1600
= 2*9800-1600
=19600-1600
=Rs.18000

hope it helped