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math (algerbra)

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A bricklayer's assistant starts building a wall, laying 50 bricks per hour. Two hours later the master comes and lays down 80 bricks per hour.

x= number of hours since the assistant has been laying.

Qusestion--------
Write expressions for the number of bricks the assistant has laid and the number of bricks tha the master has laid.


Please help me.
I understand this stuff, but this problem is just stumpiing me!!!

  • math (algerbra) -

    <<Write expressions for the number of bricks the assistant has laid and the number of bricks that the master has laid.>>

    Assistant: N1 = 50 x
    Master: N2 = 80 (x-2) (x>2)

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