Problema Solution
At a recent party, it cost $9.50 for refreshments for 10 guests. At this rate how much would it cost to have refreshments for 80 guests
Answer provided by our tutors
For 80 guests you will need 80/10 = 8 times more than for 10 guests:
8*9.50 = $76
Refreshment for 80 guests costs $76.