2009 q8 graphs and relations

[Hye]

only question in this section i didnt completely understand

thanks heaps

[yejiawen]

If this is in the VCAA, then

it is just $20 x  4(hours) x 3 (people)+$150

Then you get $390.

Last step is dividing it by 4, as it wants how much to charge the client for ONE hour... we calculated for four

Then we get $97.50

so, C

Hope you understand me ROFL