Ratio Problem Solving

Problem of the Week:
Bearspaw Christian School is hosting it's Open House.  The Grade 6 class has offered to be in charge of preparing refreshments for the event.  The students have decided to serve coffee and prange punch at the sold out event.  The school is expecting 200 adults and 50 children to attend the evening.

The directions on the juice and coffee packages are below.  Help the students to calculate the amount of juice and coffee they will need to make.

1 Package of Coffee makes approximately 75 cups of coffee.

To make punch, mix 1 package of drink crystals with 4 liters of water.  
Makes approximately 20 cups.

  1. How many packages of coffee do you recommend the students buy and use?  Explain your thinking.
  2. How much punch should the class make?
  3. How many packages of crystals will they need?
  4. What size of container will they need to hold the punch?
  5. Show your work and explain what the students should do.