. The cost of 2 kg of apples and lkg of grapes on a day was found to be Rs 160. After a
month, the cost of 4 kg of apples and 2 kg of grapes is Rs 300. Represent the situation with Elemination method
Answers
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Answer:
Step-by-step explanation:
let us consider that price of apple be x & grapes be y
case1:
2x+y=160 ..............eq1
case 2:
4x+2y=300 .......................eq2
divide equation 2 on both side by 2
2x+y=150 ..............................eq 3
we got two equations 1&3
2x+y=160 &2x+y=150
then put simanteniously x and y values
in eq 1 in eq 3
2x+y=160 2x+y=150
x=50 x=50
100+y=160 100+y=150
y=60 y=50
x=30 x=30
60+y=160 60+y=150
y=100 y=90
then mark this point on graph and you will find that both the lines will be parallel to each other