GED Math Review: Proportional Relationships

Questions:

Directions: Choose or write the answer to each questions.

Use the graph for problems 1 and 2.

John, Desmond, Carl, and Ming are having a contest to see who can blow up a beach ball the fastest. The graph shows the rates of each of the boys in cubic inches per second. (Hint: All lines pass through the origin.)

1. Who has the fastest rate?
• Carl
• Desmond
• John
• Ming
2. Courtney decides that she wants to join the contest. If the equation y = 11. 18x represents her proportional relationship, what place will she come in against the boys? Use the graph to help you compare rates.
• first
• second
• third
• last
3. Farmer Dale and his wife own a dairy farm. The table shows how many buckets of milk the farmer and his wife get from their cows over a period of time. If these rates remain the same, how many more buckets of milk will Farmer Dale's wife gather in 180 minutes than him?
   _____________
   
   
   
4. 
   
   Which rental offers the best price?
• Rent-All
• A-1 Rentals
• Car Town
• Easy Rent

Answers:

1. Ming
2. third
3. 6 buckets
4. Rent-All

Reference:

Complete Test Preparation for the GED Test 2014 by Steck-Vaughn