A grocer sells apples and bananas. The cost of 3 apples and 4 bananas is £1.90 The cost of 7 apples and 3 bananas is £2.85 Find cost of each item. Give a step by step solution
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A grocer sells apples and bananas. The cost of 3 apples and 4 bananas is £1.90 The cost of 7 apples and 3 bananas is £2.85 Find cost of each item. Give a step by step solution
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Answer:
apple=£0.3
Banana =£0.25
Step-by-step explanation:
let x= apple
y=banana
3x+4y=1.90×3
7x+3y=2.85×4
9x+12y=5.7
28x+12y=11.4
subtract:
-19x=-5.7
x=0.3
3(0.3)+4y=1.90
4y=1
y=0.25