A school canteen sells two types of snacks: A and B. Snack A has 150 calories and costs Rp5,000. Snack B has 100 calories and costs Rp3,000. You have Rp15,000 and want to maximize calories. Which combination gives the most calories?

Jawaban: Buy 3 A and 0 B

3 A costs Rp15,000 and gives 450 calories. Other combos: 2A+1B=400 cal, 1A+3B=450 cal? Wait: 1A (150) + 3B (300) = 450 cal, cost 5000+9000=14000, but max calories? Actually 3A gives 450 cal. 1A+3B also 450 cal but costs less. But question says maximize calories, so both 3A and 1A+3B give 450. But 3A uses full budget. However, 1A+3B gives same calories for less money, but if we want max calories with Rp15,000, we could buy 1A+3B and have Rp1,000 left, but can't buy more. So max is 450. But 3A also gives 450. So both A and C give 450? But C costs Rp14,000, leaving Rp1,000, but cannot buy more. S