Ratios and Proportions
10/5= What?
1/2
11, 15, 19, 23…what number comes next?
27
2x+4 = 8 What is x?
x = 2
A triangle has an angle of 90 degrees and 45 degrees. What is the third angle?
45
If you roll a 12 sided die what is the chance of you getting a 6?
Answer 1/12
6/24= What?
1/4
634, 625, 616, 607…what number comes next?
598
4y+ 45 - 30 = 95, What is y?
y=20
Two angles next to each other are called this?
adjacent angles
If you roll a 6 sided die what is the chance of you getting a number above 4?
1/3
63/36 = What?
7/4
27, 12, -2, ____, -31, -46…what number is in the blank
-14
(3b-4) - (-5b + 3), simplify the question
8b-7
What is a triangle called that has two equal sides?
isosceles triangle
If you roll a 6 sided die twice, what is the probability of rolling a 6 on the first roll and a 5 on the second roll?
1/36
If the ratio of apples to oranges is 2:3 and the ratio of bananas and oranges are 5:2 what is the ratio of apples to bananas?
5:3
320, 160, 40, 20, 5…what number come next?
2.5
(9r-5) - (-4r + 9), simplify the question
13r-14
A half circle has a diameter of 4. What is the area?
6.28
There are 7 red, 1 purple and 8 green marbles in a bag. What are the chances of picking two green marbles in a row?
1/4
The angles of a triangle are in ratio of 3:4:8
What are the measures of each angle
36*, 48*, and 96*
A chef uses ¾ cup flour for each cake. How many cakes can he make with 8 cups of flour?
6 cakes
3(4x+5y) + (-2)(3x+[-7]y), simplify the answer
6x+29y
The perimeter of a field is 784 feet. The field is 287 feet long. How wide is the field?
105
Marcus is in a competition. There is a 1 in 500 chance of making it to the second round. If he makes it to the second round there is a 1 in 20 chance of making it to the final round. If he makes it to the final round there is a 1 in 3 chance of winning a million dollars. What is the probability of Marcus winning a million dollars?
1/30000