IMAS 2011 — Upper Primary Grades 5–6 — Round 1 Question 18

The given menu is from a restaurant serving a buffet dinner. What is the minimum expenditure for four adults and three children under 12 to eat there?



Menu text: Adult: 30 dollars; child under 12: 25 dollars; Family Set A (1 adult and 1 child): 45 dollars; Family Set B (2 adults and 1 child): 70 dollars.