Akiko walks \frac{2}{3} mile in \frac{1}{4} hour. What is Akiko's unit rate?
Question 2
2.
Kara and James both like to mix a little bit of milk with their eggs when they make scrambled eggs. The amounts they mix are in the following table.
Is there a proportional relationship between Kara and James' milk and egg amounts?
Question 3
3.
The cost of buying rice in bulk is proportional to the weight. Five pounds of rice costs $3.95.
If C represents the total cost and p represents the weight in pounds, which equation could be used to show this relationship? What is the cost of 7 pounds of rice?
Question 4
4.
The scale on a map is given as 1 inch equals 225 feet. The actual distance between two buildings is 2100 feet. What is the distance between the buildings on the map?
Question 5
5.
The scale drawing shows one of the bedrooms and closet in a house. In the drawing 1 inch equals 6 feet.
What is the area of the actual bedroom?
Question 6
6.
Select all graphs that represent a proportional relationship between x and y.
Question 7
7.
The graph shows the relationship between the number of hours (h) a business operates and the total cost (c) of electricity.
Select all the statements that are true.
Question 8
8.
Explain how you know the answers chosen in Question 7 are true statements.
"My answers in question 7 are true because..."
(What calculations did you use? What information from the graph did you use?)
Question 9
9.
Figure B is a scale image of Figure A, as shown.
Type the scale factor (as a single number) applied to Figure A to produce Figure B.
\frac{1}{6} miles per hour
The equation C = 0.79p models the relationship. Seven pounds of rice costs $5.53
1\frac{1}{10} inch
21 square inches
3.5 square inches
The total cost of electricity is $8 when operating the business for 80 hours.
The total cost of electricity is $10 when operating the business for 1 hour.