Chapter 6 OST Review (6th Grade)

A butcher displays the cost, in dollars, of different amounts of meat in the table shown.

Create an equation that can be used to find the cost, c, for p pounds of meats. (no spaces)

1. Nikki and Dave both work as cleaners.  The equation shown models the total amount, n, in dollars that Nikki charges to clean carpets in r rooms.

n = 20r

The table shows the total amount, d, in dollars that Dave charges to clean windows in r rooms.  He charges the same amount per room to clean windows.  

How much was Nikki's charges for 4 rooms? (number only)

1. Nikki and Dave both work as cleaners.  The equation shown models the total amount, n, in dollars that Nikki charges to clean carpets in r rooms.

n = 20r

The table shows the total amount, d, in dollars that Dave charges to clean windows in r rooms.  He charges the same amount per room to clean windows.  

How much was Dave's charges for 3 rooms? (number only)

1. An equation is shown.  

x + 3 = 8.5

What is the solution to the equation? (write x=___) - no spaces

1. The graph shows how many pages Latrell reads over time.   

Create an equation that can be used to model the total number of pages, y, that Latrell reads in x hours. *no spaces

• Divide both sides by 2

• Divide both sides by 26

• Multiply both sides by 2

• Multiply both sides by 26

1. The average speed of an airplane is 550 miles per hour.  Create an equation to represent the distance, d, in miles, that the airplane travels after t hours at the average speed. (no spaces)

1. Jen is 3 years older than Nancy.  Let x represent Nancy’s age.  Let y represent Jen’s age.  Create an equation to show Nancy’s age, x, in terms of Jen’s age, y. (no spaces)

Brian has 14 bins and 70 books.  He places the same number of books, x, in each bin.  Which equation could be used to find the number of books in each bin, x?