Ratios & Proportions
Find the unit rate:
128 pounds of dog food for 16 dogs
8 pounds per dog
|13| + |-2|
15
Use the Distributive Property to rewrite the expression:
-5(6 + x)
-30 - 5x
If two angles are supplementary, that means they add to _______.
180 degrees
Find P(2 or 4) when a number cube is rolled.
1/3
Myra can fill 18 glasses with 2 containers of iced tea. How many glasses can she fill with 3 containers of tea?
27 glasses
|-12| - |8|
4
What is (-2y + 10 + 2y - 8) simplified?
2
Two angles in a triangle are 70 and 65 degrees. What is the measure of the third angle?
45 degrees
Find P(greater than 2) when a number cube is rolled.
2/3
Are the two fractions proportional?
6/8 and 9/12
Yes, they are proportional
12 + (-7)
5
What is the value of 6x - 3y if x = 5 and y = -1?
33
A circle has a radius of 7 inches. What is its circumference?
43.98 in.
What is the total number of outcomes when picking a month of the year and tossing a coin?
24 combinations
Solve the proportion.
6/18 = 4/x
x = 12
(-7) - (-3)
-4
Add (11x + 2) + (9x - 4).
20x - 2
A semicircle has a diameter of 15 feet. What is its area?
88.3 ft2
P(8, 3)
336
Solve the proportion.
14/1.5 = 4.2/x
x = 0.45
Henry spent 3 1/4 hours on homework yesterday while Sequoia spent 2 5/6 hours on homework. How much more time did Henry spend on homework than Sequoia?
5/12 hour
Solve for x.
3x - 2.6 = x + 8.2
x = 5.4
A perfect cube has side lengths of 3.5 cm. What is the surface area of the cube?
73.5 cm2
300 students voted for their class president. 31% voted for Trevor, 44% voted for Ray, and 25% voted for Dayton. How many more students voted for Ray than for Dayton?
57 students