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Can you answer this for me thank you
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10 votes
Can you answer this for me thank you

Can you answer this for me thank you-example-1
User Gabriel Belini
by
7.9k points

1 Answer

5 votes
Make it into a simultaneous equation:

5p + 4e = 7.65
4p + 5e = 7.20

Use adding/subtracting formula

The cost of an eraser is $1.44
User Paceman
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