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03-06-2020
Mathematics

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Please help with this work

Please help with this work class=

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03-06-2020

Answer:

B = 80

Step-by-step explanation:

y = 4x

y = 1/2x + 280

Substitute one equation into another.

4x = 1/2x + 280

Combine like terms

3.5x = 280

x = 80

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