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@babystar16 do you want me to show you how to solve?

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So we can setup system of linear equation.

P = Pens
C = Pencils

8p+7c=3.37
5p+11c=3.10

-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