Question

Cost Of 3 Oranges and 4 bananas Rs.24 . If the cost of 1 orange is Rs.1 more then the cost of 1 banana ,then what's the cost of Orange?

solve it fast with explain!​

Answer 1

Answer:

Let the price of oranges be 'x' and bananas be 'y'.

3x+4y=24. ...(1)

x=y+1

x-y=1. ...(2)

3x+y=24/4=6

x+y=6/3

x+y=2. ...(3)

Subtracting eq.(2) from(3)

x-y=1

x+y=2

x=-1. (y will be eliminated)

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

let cost of oranges be x and banana be y.

according to condition

3x+4y=24

according to second condition

x=1+y

x-y=1

now taking both to find x and y by elimination method .

3x+4y=24. × 1

x. -. y =1. × 3

3x+4y=24. changing sign of eq.

3x+3y=3

-. -. -

----------------

0x+y=21

y=21

substitute y in any eq.

x-y=1

x=22

hence oranges cost Rs.22 and banana cost Rs.21