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goblinko [34]
3 years ago
15

PLZ DO THIZ!!1!!!1!!111!!!!

Mathematics
1 answer:
MariettaO [177]3 years ago
6 0

Answer:

Apple = €0.20

Banana = €0.60

Step-by-step explanation:

Let A represent the price of an apple and B represent the price of a banana:

4A + B = €1.40

7A + B = €2.00 multiply first equation by -1 and then find the sum of the two equations:

-1 x (4A + B) = 1.40

-4A - B = -1.40

7A + B - 4A - B = 2.00 - 1.40

3A = 0.60 divide both sides by 3

A = 0.20 now we can use this information to calculate the price of a banana

4*0.20 + B = 1.40

0.80 + B = 1.40 subtract 0.80 from both sides

B = 0.60

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