3. Liam is maintaining a campfire. He can keep the fire burning for 4
hours with 6 logs. He wants to know how many logs he needs to
keep the fire burning for 18 hours. All logs have same size. How
many logs does Liam needs to maintain the fire for 18 hours?
4. Dave is maintaining a campfire. He has kept the fire steadily burning
for 10 hours with 15 logs.​