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if 8 pens and 7 pencils cost $3.37 while 5 pens and 11 pencils cost $3.10, how much does each pen and pencil cost?

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@babystar16 do you want me to show you how to solve?
So we can setup system of linear equation.

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Other answers:

P = Pens C = Pencils
8p+7c=3.37 5p+11c=3.10
@babystar16 can't we multiply both of the 'p' variables to get a common number? Lets multiply the 8p times -5. Then the 5p times 8.
-40p-35c=-16.85 40p+88c=24.80 ------------------ (Now, we add...) 53c = 7.95 c = .15
@babystar16 do you understand this?
Now, just plug back in .15 for c in the original equation.
5p+11(.15)=3.10 5p + 1.65 = 3.10 5p = 1.45 p = .29
Pens were .29 cent Pencils were .15 cent
thank u
thank u for helping me understand it

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