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!!!

2 answers

<<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)
in terms of x how many bricks has rick laid ??