Simone paid $5.25 for 3 pounds of apples. Which equation represents the cost, in dollars, C, per pound of apples, a?
1 point
1
Question 2
2.
Four friends run on the track team. The chart shows data from their most recent practice run.
Which runner does not run at the same rate as the other three?
1 point
1
Question 3
3.
Victor built a remote controlled car. The graph shows the time it took his car to travel 100 meters.
What does the point (1, 2.5) represent in the graph?
1 point
1
Question 4
4.
The Houston Express travels 100.5 miles in 1.5 hours.
How far does it travel in 3 hours?
1 point
1
Question 5
5.
The table shows the cost of movie tickets.
If T represents the number of tickets, and C represents the cost, in dollars, which equation can be used to calculate the cost of any number of tickets?
1 point
1
Question 6
6.
A car travels 132.5 miles in 2.5 hours. What is the unit rate?
Open Ended Response
When a song is sold by an online music store, the store takes some of the money, and the singer gets the rest. The graph below shows how much money a pop singer makes given the total amount of money brought in by one popular online music store from sales of the song
2 points
2
Question 7
7.
Identify the constant of the proportionality, K, between dollars earned by the pop singers and dollars brought in by sales of the song.
2 points
2
Question 8
8.
Write an equation relating dollars earned by the pop singers, 𝑦, to dollars brought in by the sales of the song, 𝑥.
2 points
2
Question 9
9.
According to the proportional relationship, how much money did the pop star earn if the store made $1000 in sales?