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A group of 5 teachers bought 3 pens and 1 eraser each. Their total cost for all the materials was $12.89. If the eraser was $0.97, how much was each pen? Variable:______________…
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A group of 5 teachers bought 3 pens and 1 eraser each. Their total cost for all the materials was $12.89. If the eraser was $0.97, how much was each pen? Variable:______________…
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Jun 25, 2022
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A group of 5 teachers bought 3 pens and 1 eraser each. Their total cost for all the materials was $12.89. If the eraser was $0.97, how much was each pen?
Variable:________________
Equation:________________
Solution:________________
Mathematics
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Matt Sieker
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Answer:
$0.536
Explanation:
Variable:
p for pen
Equation:
5(3p + 0.97) = 12.89
Solution:
5(3p + 0.97) = 12.89
15p + 4.85 = 12.89
15p = 12.89 - 4.85
15p = 8.04
p = 8.04 / 15
p = 0.536
Zabolekar
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Jun 30, 2022
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Zabolekar
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