The charges of three buffet catering companies X, Y and Z are shown below.
Company | Buffet table setting and delivery cost per day | Cost per person per day |
X | $170 | $15.99 |
Y | Nil | $23.88 |
Z | $58 | $19.99 |
(a) Kirean wants to cater for a total of 80 people for 1 day at the lowest possible cost. Which company should she select? (1m)
(b) Company X and Z would charge the same amount for Rahan’s 4-day event. How many people did he want to cater for? (2m)
