SOLUTION: Scouting Troop A is going on a hike. There are 8 scouts and 2 adults on the trip, each with a backpack. Each adult weighs about 160 lbs. Each scout weighs about 100 lbs. Each

Algebra ->  Equations -> SOLUTION: Scouting Troop A is going on a hike. There are 8 scouts and 2 adults on the trip, each with a backpack. Each adult weighs about 160 lbs. Each scout weighs about 100 lbs. Each      Log On


   

Question 1160495: Scouting Troop A is going on a hike. There are 8 scouts and 2 adults on the trip, each with a backpack.
Each adult weighs about 160 lbs.
Each scout weighs about 100 lbs.
Each backpack weighs about 20 lbs.
The troop will use small boats to cross a river. Each boat can hold up to 360 lbs. How many boats will it take for Scouting Troop A to cross the river?
Answer by PeanutTheCat(5) About Me  (Show Source):
You can put this solution on YOUR website!
Step 1 - Find total weight of people and backpacks

Adults - (160)(2) = 320 lbs.
Scouts - (100)(8) = 800 lbs.
Backpacks - (20)(10) = 200 lbs.
Total - 320 + 800 + 200 = 1320 lbs.


Step 2 - Find number of boats needed

1320/360 = 3.6 repeating
You can't have .6 of a boat, so round up to 4.

Final Answer: 4 boats