Question

Obtain a pair of linear equations in two, variables from the following information:

The sum of the cost of 1 kg of apple and 1 kg of pineapple is Rs. 150 and the cost of 1 kg of

apple is twice the cost of 1 kg of Pineapple.​

Answer 1

let,apple cost =x. x=0. |75

pineapple cost=y. y=150 | 0

x+y=150

2x+y=150

i x=0

2(0)+y=150

y=150

ii y=0

2x+0=150

x=150/2

x=75

bhai asia hi or value rakh rakh ka dekho ajya ga answer