In a recipe, it takes 4/3 cups of hot water and 2 cups of oil. Write the ratio of oil to hot water.
2: 4/3
A nutrition label shows that for every 1/4 cup of tuna has 1/2 gram of fat. How many grams of fat are there for every cup of tuna?
2 grams of fat
Solve the proportion using mental math.
5/8=20/d
d = 32
What are the two things needed to show a graph is proportional?
Pass through the origin
Straight line
Find the actual distance between Grand Forks and Bismarck.
Measure on screen.
Find the value of the ratio 3/2:2.
3/4
A scientist estimates liquid iron in the Earth's core travels 9 feet every 1/2 hour. How far does the liquid travel in 1 day?
432 ft/day
Solve the proportion using multiplication.
12/10=x/15
x = 18
Tell whether x and y are proportional by graphing.
Proportional. Passes through the origin and is a straight line.
A scale model of a tower is 10 inches tall. The actual tower is 100 feet tall. Find the scale.
1 in: 10 ft
Complete the ratio table.
3, 15/4, 5
Tell whether the ratios form a proportion. 6:4 and 8:12.
3/2 does not equal 2/3; not proportional
Solve the proportion using cross products.
12/5=6/y
y=2.5
Tell whether x and y are proportional by graphing. Explain your reasoning.
Not proportional. Does not cross through the origin.
The model of a tower is 10 inches tall. The actual tower is 100 feet tall. Find the scale factor.
1/120
Find the missing values in the ratio table.
1/12, 3/2, 1/48
You swim for 16 minutes and complete 20 laps. You swam your first 4 laps in 2.4 minutes. How long does it take you to swim 10 laps?
7 minutes
Find the value of x so that the ratios are equivalent.
3:8 and x:20
x = 7.5
The graph shows the speed of a subway car. Find the speed in miles per minute.
1/2 mi/min
A helmets actual diameter is 21 cm. find the diameter of the model in mm. Use the scale 1:12.
17.5 mm
You mix 1/2 cup of yellow paint for every 3/4 cup of blue paint to make 15 cups of green paint. How much yellow paint did you use?
6 cups of yellow paint
You hike up a mountain trail at a rate of 1/4 mile every 10 minutes. You hike 5 miles every 2 hours on the way down the trail. How much farther do you hike in 3 hours on the way down than in 3 hours on the way up?
3 miles
A heart pumps 50 gallons of blood for every 2 heartbeats. How many heartbeats did it take to pump 1,000 gallons of blood?
40 heartbeats
The graph shows the area y (in square feet) that a robotic vacuum cleans in x minutes. Find the area cleaned in 10 minutes.
160 square feet
Find the actual perimeter and area of the rectangular face of the Parthenon.
P= 291.2 ft
A= 4,515.84 feet^2