Ratios and Proportions
At Target, used videogames are 3 for $65.
Which store offers the better price on used videogames.
Target is the better deal ($21.67 per game)
True or False:
Complementary angles are two or more angles that equal 90 degrees when added together.
False
758.15 + 1321.888
2080.038
-13 x -23
299
Solve for x:
8x = 68
x = 8.5
Two things are true about the graphs of all proportional relationships. What two things are always true?
1. Linear (straight line)
2. Passes through the origin (0,0)
What is the supplement to a 127 degree angle?
53 degrees
287 - 120.56
166.44
441 / (-7)
-63
Solve for x:
6x + 17 = 71
9
How many steps (operations) are in an equation for a proportional relationship?
1 step
Two angles make up a pair of vertical angles. If one is 42 degrees, what is the measure of the second angle?
42 degrees
461.5 x 5.8
2676.7
-198 + -244
-442
Solve for x:
13x - 20 = 136
12
Geralt and Artyom are selling t-shirts for their schools.
Geralt sells T-shirts for $150 per 12 boxes.
The equation y = 12.40x represents Artyom's cost per t-shirt.
Who sells t-shirts for the cheaper price?
Artyom ($12.40) has the better price than Geralt ($12.50)
The base of a triangular prism has an area of 15 square meters. If the height of the prism is 5 meters, what is the volume? (must have correct unit of measure)
75 cubic meters
37.4 / 17
2.2
-321 + 457
136
Solve for x:
(x/5) = 15
x = 75
The raptor pen at Jurassic Park contains both oviraptors and velociraptors. There are a total of 56 raptors in the pen. The ratios of oviraptors to velociraptors is 3 to 4. How many oviraptors are in Jurassic Park?
24
Bob has to wrap a rectangular prism with wrapping paper. Each edge of the prism is 12 inches. How much wrapping paper is needed to wrap the box? (must have correct unit of measure)
864 inches squared
0.1518 / 0.06
2.53
(-714) - (-385)
-329
4x + 6 = 2x + 32
x = 13