Proportional Relationships
Maya runs 3 miles in 24 minutes. If she keeps the same pace, how long will it take her to run 6 miles?
48 minutes.
-4+-18
-22
-5*(-3)
15
Write as a fraction, decimal, and percent:
3/4
3/4, 0.75, 75%
Solve for x:
x+5=12
(show your work)
x=7
A classroom has 5 markers for every 2 students. If there are 30 students in the class, how many markers are needed?
75 markers
5-(-9)=
14
42/-7
-6
Write as a fraction, decimal, and percent:
0.04
1/25, 0.04, 4%
Solve for x
6x=42
(show your work)
x=7
A 6-foot-tall tree casts a shadow that is 4 feet long. If a building casts a shadow that is 20 feet long under the same conditions, how tall is the building?
30 feet tall
-3/4+(3/8)
-3/8
0.46/2.3
.2
Write as a fraction, decimal, and percent:
0.625
5/8, 0.625, 62.5%
Solve for x
x/4=-7
(show your work)
x=-28
A car uses 8 gallons of gas to travel 240 miles. How many gallons of gas will the car use to travel 360 miles?
12 gallons
5/6-(-1/3)
1 1/6 or 7/6
The price of a stock changes by -2.75 dollars each day. After 3.2 days, what is the total change in the stock price?
-8.80 dollars
Write as a fraction, decimal, and percent:
5/6
5/6, .8bar3, 83.bar3%
Solve for x
x+3.75=-1.2
(show your work)
x=-4.95
A recipe for making 12 muffins calls for 2 cups of flour. How many cups of flour are needed to make 18 muffins?
3 cups
Mount Everest, the highest mountain in the world, has an elevation of 29,029 feet above sea level. The Challenger Deep, the deepest part of the ocean, is 35,856 feet below sea level.
What is the difference in elevation between Mount Everest and the Challenger Deep?
64,885 feet
A scuba diver descends -60 feet into the ocean. Each dive takes -15 feet closer to the ocean floor.
How many dives does it take for the scuba diver to reach a depth of -60 feet?
4
Write as a fraction, decimal, and percent:
33.bar3%
1/3, .bar3, 33.bar3%
Solve for x
-2.5x=10.5
(show your work)