Organising the School Dance.  Link to resource on Assessment Resource Banks.

Year 10 are organising a school dance. The DJ says he will charge $110 to set up his equipment and then $90 an hour (h). They have budgeted $470 to pay for the DJ.
Write an expression or equation that describes the DJ's charges.
Work out how long the DJ will play for if Year 10 have $470 to spend.
The DJ will play for __________ hours.

b)Each ticket to the dance has a lucky number on it. Nick multiplies his number by 4 and takes 1 off and gets an answer of 67.
Write an equation for this information. Use n to represent his lucky number.
 ii)Nick's lucky number is __________.