Constants
Tables
Equations
Graphs
Word Problems
100
Juan buys 3 apples for $6. How much is one apple worth?
$2
100
Is the following table proportional?
No
5/2=2.5
15/4=3.75
25/6=4.16
35/8=4.375
45/10=4.5
100
If apples cost $2 each, then the total cost (y) is proportional to the number of apples purchased (x). Write an equation to represent the situation
y=2x
100
Mariah states that the following graph is proportional. Is she correct?
Yes she is correct.
100
Laksh rides in the car for three hours and makes two stops, one for a scenic view and another to purchase some snacks. Does he travel at a constant rate for the full three hours?
No. He stops twice in those three hours.
200
Madelyn's cookie recipe uses 2 cups of flour for every 3 cups of oatmeal. If Madelyn uses 9 cups of oatmeal, how many cups of flour does Madelyn need for her cookies?
6 cups of flour
200
The following table represents the distance in miles Chino travels on his bike (y) after a variable number of hours (x). Assuming that Chino rides his bike at a constant rate, how many miles will he have travelled after 12 hours?
96 miles
200
Jackson consumes 21 chocolates over the course of a week. Identify the equation that represents how many chocolates Jackson eats per day, assuming that x represents the numbers of days that has passed and y represents how many chocolates that have been eaten.
y=3x
Jackson eats 3 chocolates per day.
200
What is the constant of proportionality in the following graph?
5
200
If Sully can solve 28 math problems in one minute, how many math problems can Sully solve in one hour, assuming that Sully solves those math problems at a constant rate?
This is assuming that Sully's head isn't spinning after solving that many math problems...
28 times 60 = 1680
1680 math problems in one hour.
300
Harlow walks sixteen and a half meters in eleven seconds. How many meters does she walk in one second?
1.5 meters per second
300
What is the constant of proportionality of the following table?
67
300
Aaradhya earns money babysitting at a constant rate. After 4 hours, she has earned $50. Write the equation that shows how much money (y) Aaradhya earns in (x) hours.
y=12.50x
300
If Luke runs 1 mile in 12 minutes, how many minutes would it take for Luke to run 19 miles, assuming that he manages to run at a constant speed for that long?
12 times 19 = 228
228 minutes
300
Ethan purchases three oranges for $2.70. If Ethan wants to purchase five oranges, how much will he need to pay?
($2.70)/3=$0.90
The unit rate is $0.90 per orange
$0.90 times 5 = $4.50
400
Levi is making a big batch of coffee for a party. He made 335 ounces of coffee and all of his coffee cups hold 5 ounces each. How many cups of coffee can he make at the party?
67 cups of coffee
400
Complete the following table
120.25
400
Bry pays $22.35 for 5 bags of fish food every week for her fish Nina. Write an equation that represents the total cost (y) per bag of fish food (x) Bry purchases.
($22.35)/5=$4.47
y=4.47x
400
The graph represents a proportional relationship. What is the y value of the middle point on the line?
y=36
400
Graycen maintains a proportional relationship of typing 5 words for every three words spoken. If an individual speaks 150 words during an interview, how many words can Graycen type?
250 words
500
Aaradhya's cake recipe needs 3 1/2 cups of flour for 5 servings. However, Aaradhya wants to make enough cake for 18 servings. How many cups of flour does she need?
(3 1/2)/5 times18=12 3/5 or 12.6
12.6 cups
500
Complete the table given the following non-proportional equation:
y=3x+2
y=23
500
A cell phone company charges customers $35 per month plus a one-time charge of $50 to activate the plan. Write an equation that represents the cell phone plan, where x represents the number of months on the plan and y represents the total cost.
y=35x+50
500
It takes TJ three drops of soap to clean twenty-two and a half cups. How many cups can TJ clean using 20 drops of soap?
150 cups
500
Mr. Brown's class raises $84 by selling 21 tickets. At the same rate, how many tickets would his class need to sell to raise $500?
125 tickets