The cost of one apple and one banana at the school canteen is $1 and the cost of 3 apples and 2 bananas is $2.40. Find the cost of a single banana, using simultaneous equation, elimination method. Show full working out.

Let the apple equal to x and let the banana equal to y

Equation one is x+y= 1

Equation two is 3x+2y= 2.40

Because we are doing the elimination method, multiply all of equation one by 3

3x+3y=3
3x+2y=2.40
(subtract the equations from one another)

So now you have y=60 cents

So, one banana costs 60 cents

A=6/5    B=0.111...    C=166 2/3%

Step-by-step explanation:

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