Morning Math 37

Copy and Complete the Following:
Rank the following items from least expensive to most expensive.

Bolts     $5/g
Nails     $5/kg
Pins       $ 5/mg

Bonus:  
  • What is the cost of the Nails per gram?
  • What is the cost of the Pins per kilogram?
  • What is the cost of the Bolts per milligram?