Question

question 1: lafayette transport company is studying its fuel needs.

• each storage tank is buried under 3,000 pounds of concrete.
• every gas station has 3 storage tanks.
• 1,000 gallons of gasoline can be carried in a tanker truck.
• each storage tank holds 2,500 gallons of gasoline.
• each tanker truck has 7 axles.

how many tanker trucks does lafayette transport need to service all of its gas stations?
make a chain from the start to the goal using these pieces of knowledge.
gas stations → dropdown → dropdown → tanker trucks
choices in the pull down menus

• axles
• gallons of gasoline
• gas stations
• pounds of concrete
• storage tanks
• tanker trucks

Explanation:

Step1: Link gas stations to storage tanks

Each gas station has 3 storage tanks, so the chain moves from gas stations → storage tanks.

Step2: Link storage tanks to gasoline gallons

Each storage tank holds 2,500 gallons of gasoline, so the chain moves from storage tanks → gallons of gasoline.

Step3: Link gasoline gallons to tanker trucks

Each tanker truck carries 1,000 gallons, so the chain moves from gallons of gasoline → tanker trucks.

Answer:

The chain is: gas stations → storage tanks → gallons of gasoline → tanker trucks