The Montoya family uses up a 1/2 gallon jug of milk every 3 days. At what rate do they drink milk?
_________ gallons per day
A seed sprouted and grew 2/3 of a foot in 4/5 month. What was its rate of growth?
______ feet per month
Riley earned $5/1 for 1/4 of an hour babysitting. What is her hourly rate?
$___ per hour
Select the tables that show a proportional relationship between x and y.

What is your evidence that the table(s) you selected above represent a proportional relationship.
Identify the graph(s) that show a proportional relationship between x and y. What is your evidence for selecting the graph(s) you chose.
A. B.

Use the equation to complete the table.
y=2x
A group of scientists tagged and released 30 otters as part of a research project. Later, they counted 800 otters, 80 of which had tags. To the nearest whole number, what is the best estimate for the otter population?
Scientists tagged 770 pike for a research project about a local lake. Later, they trapped 270 pike, of which 21 had tags. To the nearest whole number, what is the best estimate for the pike population?
While doing research on a local river, a scientist put tags on 200 rainbow trout. Later, the scientist captured 150 rainbow trout, of which 15 had tags. To the nearest whole number, what is the best estimate for the rainbow trout population?
Matthew loves to bake blueberry muffins for his friends and family.
There is a proportional relationship between the volume of flour Matthew uses (in cups), x, and the number of muffins he bakes, y.

Simplify any fractions.Write an equation for the relationship between x andy.
y=
Every few years, Malik's entire family gets together for a family reunion. This year, Malik's parents are hosting, and they have to cook a lot of food to feed the crowd. Malik has volunteered to do the most tedious job: shelling peas.
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There is a proportional relationship between the amount of time (in minutes) Malik spends shelling peas, x, and the weight (in pounds) of the peas he has shelled, y.
Simplify any fractions.Write an equation for the relationship between x andy.
y=
Josiah loves to bake blueberry muffins for his friends and family.
There is a proportional relationship between the volume of flour Josiah uses (in cups), x, and the number of muffins he bakes, y.

Simplify any fractions.Write an equation for the relationship between x andy.
y=