Question

the cost of 2 kg of apples and 1 kg grapes on a day was found to be ₹160 . After a month the cost of 4 kg of apples and 2 kg of grapes is ₹300 .Represent the equation in elimination method ​

Answer 1

Answer:

Let us take 2kg of apple as X for firat equation

and 1 kg of grapes as Y

and the cost of both fruits were rs 160

so the equation will be-----

2x+y=160

Now we will go for second equation---

Let us take 4kg of apples as X

and 2kg of grapes as T

and the cost of both the fruits were rs 300

By elimination method

2x+y=160---1 equation

2x+2y=300---2 equation

By subtracting both we get

y=140

By putting y in 2 equation...

we get --

x=10

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