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9 apples and 9 bananas cost £2.43 altogether. The total cost of 2 apples and 3 bananas is £0.69. Calculate the cost of an apple and a banana.
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Jul 17, 2021
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9 apples and 9 bananas cost £2.43 altogether. The total cost of 2 apples and 3 bananas is £0.69. Calculate the cost of an apple and a banana.
Mathematics
high-school
Xsmael
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Answer: 0.27£
Step-by-step explanation:
9 apples + 9 bananas = 2.43
9(apple + banana) = 2.43
Apple + banana = 2.43/9
Apple + banana = 0.27£
Therefore, the cost of an apple AND a banana is 0.27£
JamesEggers
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Jul 19, 2021
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JamesEggers
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Answer:
Apple - £0.12
Banana - £0.15
Step-by-step explanation:
Given
9 apples and 9 bananas cost £2.43
2 apples and 3 bananas cost £0.69
To find
Cost of an apple and a banana
Solution
Apple = a
Banana = b
Equations
9a + 9b = 2.43 ⇒ a + b = 2.43/9= 0.27
2a + 3b = 0.69 ⇒ 2(a + b) + b = 0.69 ⇒ 2*0.27 + b = 0.69 ⇒
b = 0.15
a = 0.27 - 0.15 =
0.12
So the answer
Cost of apple = £0.12
Cost of banana = £0.15
Btleffler
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Jul 21, 2021
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Btleffler
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