Eureka Grade 6 Module 4 Test Review

Penelope is deciding which cell phone plan is the best deal for her to buy. Super Cell charges a monthly fee of $12 and also charges $0.10 per call. She makes a note that the equation is M = 0.1C + 12, where is the monthly charge, in dollars, and is the number of calls placed. Global Cellular has a plan with no monthly fee but charges $0.30 per call. She makes a note that the equation is M = 0.3C , where is the monthly charge, in dollars, and is the number of calls placed. Both companies offer unlimited text messages.

Samantha is saving her money to buy a new PlayStation, which costs $800 . She has already saved $80. She earns $20 per week working at the stables and wonders how many weeks it will take to earn enough for a PlayStation of her own. 

The elevator at the local mall has a weight limit of 1,600 pounds and requires that the maximum person allowance be no more than eight people. 

Draw a number line diagram to represent all possible solutions to part(a).  

Draw a number line diagram to represent all possible solutions to part(c). 

Treyton's baseball team carpools for practice every week. This week is his parents’ turn to pick up team members and take them to the baseball field. While still staying on the roads, Treyton's parents always take the shortest route in order to save gasoline. Below is a map of their travels. Each gridline represents a street and the same distance. Treyton's father checks his mileage and notices that he drove 36 miles between his house and Stop 3. 

For a science experiment, Melissa reflects a beam off a mirror.  She is measuring the missing angle created when the light reflects off the mirror.  (Note: The figure is not drawn to scale.) Use an equation to determine the missing angle, labeled x in the diagram.