Solve word problems leading to inequalities of the form px+q>r, px+q≥r, px+q≤r,or px + q < r, where p, q, and r are rational numbers. Graph the solution set of the inequality on the number line and interpret it in the context of the problem.
Use variables to represent quantities in a real-world or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities.
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Sarah is saving money to buy a bike that costs $150. She has already saved $60. If she saves $15 every week, how many weeks will it take her to save enough for the bike?
30
w + 60 = 150
15w = 150
15w + 60 = 150
w * 60 + 15 = 150
6 questions
Q.
1
30 sec
7.EE4b
Q.
Sarah is saving money to buy a bike that costs $150. She has already saved $60. If she saves $15 every week, how many weeks will it take her to save enough for the bike?
2
30 sec
7.EE4
Q.
A car rental company charges a flat fee of $20 and an additional $5 per hour to rent a car. If you spend a total of $50, how many hours did you rent the car?
3
30 sec
7.EE4
Q.
A concert hall sells tickets at $25 each. If the total revenue from ticket sales is $875, how many tickets were sold?
4
30 sec
7.EE4
Q.
A rectangle's length is twice its width. If the perimeter of the rectangle is 84 meters, what equation can you use to find the width of the rectangle?
5
30 sec
7.EE4
Q.
A train travels at a constant speed. It covers 150 miles in 3 hours. What equation can you use to find the speed of the train in miles per hour?
