4.1 & 4.2
Find the missing ratio:
1/24 = ______
1/2 = 1
What is 1/48?
Find the unit rate.
180 miles in 3 hours
What is 60 miles per hour?
Tell whether the ratios form a proportion.
1 to 3 and 7 to 21
What is yes?
What is the y coordinate when x equals 0 for the equation y = x+0.5?
What is y equals 0.5?
Find the missing dimension. Use the scale 1:12. Mattress length: Model is 6.25 inches, actual is ___ ft.
What is 75 inches?
A city dumps plastic shade balls into a reservoir to prevent water from evaporating during a drought. It costs $5760 for 16,000 shade balls. How much does it cost for 12,000 shade balls?
What is $4320?
Complete the statement using < or > .
30 oz ____ 8 kg
What is 30 oz is less than 8 kg?
You can paint 75 square feet of a surface every 45 minutes. Determine how long it takes you to paint a wall with the given dimensions.
8 ft x 5 ft
What is 24 minutes to paint the wall?
What is the y coordinate when x equals 0 for the equation y = 2x+4?
What is y equals 4?
Find the missing dimension. Use the scale 1 : 12. Find the missing dimension of the Wingspan. Model: 5.4 ft, Actual: ____ yd.
What is the actual yards of the Wingspan 21.6 yards?
An oil spill spreads 25 square meters every 1/6 hour. What is the area of the oil spill after 2 hours?
What is 300 square meters?
Earth travels 30 kilometers each second as it revolves around the Sun. How many miles does Earth travel in 1 second? Round to the hundredths if necessary.
What is 18.6 miles per second?
Solve the proportion.
2.4/1.8 = 7.2/k
What is k equals 5.4?
The number of people y entering the Dalí Museum in St. Petersburg each hour x can be represented by y = 20x. After how many hours do 120 people enter the Dalí Museum?
What is 6 hours?
Find the missing dimension. Use the scale 1 : 12. Find the missing dimension of the water tower. Model: 32 cm, Actual: ____ m.
What is 3.84 m?
A ratio station collects donations for a new broadcast tower. The cost of construction is $25.50 per inch. How much does it cost to fund 4.5 inches of the construction?
What us $114.75?
You can sand 4/9 square yard of wood in 1/2 hour. How many square yards can you sand in 3.2 hours? Round to the nearest hundredth.
What is 2.84 square yards?
Solve the proportion.
y:9 = 44:54
What is y equals 7 1/3?
Identify the constant of proportionality in the situation.
A car travels 75 miles in 1 hour.
What is the constant of proportionality is 75?
Find the missing dimension. Use the scale 1 : 12. Find the missing dimension of a football helmet. Model: ___ mm, Actual: 21 cm.
What is 17.5 mm?
A store sells 2 1/4 pounds of mulch for every 1 1/2 pounds of gravel sold. The store sells 180 pounds of mulch and gravel combined. How many pounds of each item does the store sell?
In January 2012, the U.S. population was about 313 million people. In January 2017, it was about 324 million. What was the average rate of population change per year?
What is the 2.2 million people per year?
Determine how far the vehicle travels in 3 hours.
A ferry travels 45 miles every 1 1/2 hours.
What is 90 miles?
Identify the constant of proportionality in the situation.
A boat travels 60 miles in 2 hour.
What is the constant of proportionality equals 30 miles?
There are 5 blue marbles for every 3 yellow marbles in a bag. There are 24 yellow marbles in the bag. How many total marbles are in the bag?
What is 64 marbles?