Ratios
The ratio of boys to girls in a class is 5:7. If there are 35 girls in the class, how many boys are there?
25 boys
A runner completes 3 miles in 24 minutes. At this rate, how many minutes will it take to run 7 miles?
56 Minutes
Does this situation represent a proportional relationship?
A phone plan that costs $30 per month plus a $10 activation fee
No
Does this represent a proportional relationship?
x = 1, y = 2; x = 2, y = 4; x = 3, y = 5
No
This New York NBA team plays its home games at Madison Square Garden
New York Knicks
A recipe calls for 3 cups of flour for every 2 cups of sugar. If you want to make a batch that uses 12 cups of flour, how many cups of sugar will you need?
8 Cups of Sugar
A car travels 240 miles in 4 hours. At this same rate, how many miles will it travel in 7 hours?
420 miles
A gym charges $15 for the first month and then $10 per month after that. Is the total cost proportional to the number of months?
No, because there is an initial fee that makes the ratio non-constant
A table shows: x = 2, y = 5; x = 4, y = 10; x = 6, y = 15. Is this relationship proportional, and if so, what is the constant of proportionality?
Yes, it is proportional with a constant of proportionality of 2.5
This long-running anime follows Monkey D. Luffy and his Straw Hat Pirates as they journey across the Grand Line in search of the legendary treasure.
One Piece
A recipe for punch uses 2 parts orange juice, 3 parts cranberry juice, and 1 part ginger ale. If you want to make 24 cups of punch total, how many cups of orange juice do you need?
6 cups
If 5 workers can complete a job in 12 days, how many days will it take 8 workers to complete the same job at the same rate?
7.5 days
A car travels 120 miles in 2 hours and then 180 miles in 3 hours. Is this a proportional relationship between distance and time?
Yes, because the unit rate is constant at 60 miles per hour
Which relationship is proportional? Table A: (1, 3), (2, 6), (3, 9) or Table B: (1, 4), (2, 7), (3, 10)?
Table A, because the ratio of y to x is constant at 3:1
This legendary San Francisco rock band, formed in 1965, was known for its improvisational live performances and devoted fanbase known as “Deadheads.”
Grateful Dead
Two quantities have a proportional relationship. When x = 8, y = 12. What is the value of y when x = 20?
30
A phone plan costs $45 per month for 300 minutes of talk time. At this rate, how much would 500 minutes of talk time cost?
$75 per month
Two companies offer different pricing for lawn care. Company A charges $25 per lawn. Company B charges $15 per lawn plus a $50 monthly fee. Which company's pricing represents a proportional relationship?
Company A only
A table shows the number of pages read and time spent reading. Pages: 15, 30, 45, 60. Time (minutes): 20, 40, 60, 80. If this pattern continues, how many pages will be read in 100 minutes?
75 Pages
The secret identity of the X-Men leader, better known by his codename Cyclops, is...
Scott Summers
Two stores sell the same brand of juice. Store A sells 6 bottles for $18, and Store B sells 8 bottles for $20. Which store has the better unit price per bottle?
Store B at $2.50 per bottle
A map has a scale of 1 inch represents 25 miles. If two cities are 4 inches apart on the map, how many miles apart are they in reality?
100 Miles
Is the relationship between the number of hours worked and total pay proportional if someone earns $15 per hour with no base pay?
Yes, because the ratio of pay to hours is constant at 15:1
Two tables show different proportional relationships. Table 1: x: 3, 6, 9 | y: 9, 18, 27. Table 2: x: 2, 4, 6 | y: 8, 16, 24. Which table has a greater constant of proportionality?
Table 2 has a greater constant of proportionality (4 vs. 3)
This Pokémon is the final evolution of the starter Pokémon Squirtle
Blastoise