Percents & Ratios
Sam has $240. He wants to spend it on video games and snacks in a ratio of 2:4. How much will he spend on snacks?
$160
Solve for X
5x+2 = 12
2
How do you find MAD?
Step 1: find the mean
Step 2: find the distance of each point from the mean
Step 3: add all together and divide by total number of points
What is the area of a triangle with base of 4 and length of 10?
Area = 20
What is absolute value?
The distance of a number from 0
Isaiah's dog can run 750 meters in 6 minutes. Masiah's dog can run 1,120 meters in 10 minutes. Whose dog is faster and by how much?
Isaiah's is 13 meters per min faster.
Solve for X
3(4x+8) = 48
x=2
What are the 5 numbers we can find in a box plot? (List them in order)
min, q1, median, q2, max
Jayla is making a cake with 3/4 cups of flour per 2/3 cups of sugar. How many cups of flour does she need per 1 cup of sugar?
9/8
What is the difference between open and closed circle?
Open is greater than or less than
Closed is greater than or equal to or less than or equal to
Nashley goes shopping and finds a shirt that is 25% off. She pays $21 for it. What is the original price of the shirt?
$28
The sum of x+8 taken away from Y
Y- (x+8)
Find the range of the following data set:
5, 4, 7, 8 , 2, 3, 7, 9, 11, 3
Natalia bought 2 1/2 balls of yarn for a knitting project but only used 1 1/6 balls of yarn. What fraction of the yarn did Natalia use?
7/15 or 14/30
The absolute value of a number (X) is 1/4 the absolute value of 1/2. Which values could the number X be?
1/8 and -1/8
Alejandro tells Jenny that he got 75% of his 24 homework problems correct. Chyna is in the same math class and tells Jenny that she got 3 more problems correct than Alejandro. What percentage of problems does Chyna get correct?
87.5%
Destini has a garden with a total area of 84 yards2. She divides the garden into two parts, one with flowers and one with fruit. The width of her garden is 4 yds. The length of her fruit garden is 7 yds. What is the length of her flower garden?
14 yards
Which measure of spread is the most affected by skewed data and outliers?
Mean
Write a division equation and solve
If 3/5 of a cup of water fill 2/7 of a plastic container, how many containers can you fill with one cup of water?
2/7 / 3/5 = 10/21
Solve the following inequality and how would you graph it (which direction/ what kind of circle)?
2x+5 > 20
x>7.5
open circle with arrow going right
Love is making 40 oz of lemonade. She has a ratio of 4 lemon juice to 6 water. Love decides the lemonade is too watery and wants to change the ratio of lemon juice to water to 5:4. How much more lemon juice is Love adding to the mixture?
22 oz
What value of A makes the following expressions equivalent
2(2x+6) and 4x+2a
A = 6
Find the median and IQR of the following data set
2, 4, 7, 9, 11, 12, 18
Median: 9
IQR: 8
CJ is making cookies. The expression 18/4 divided by 5/6 represents the amount of cookies he can make based on the amount of sugar he has. How many cookies will CJ make and how much sugar will he have left over?
5 cakes and 8/20 ( or 2/5 ) sugar left over
The following coordinate points (2, -2) and (2, 4) are parts of a rectangle with an area of 24 units squared. What are the two other coordinate points?
(6,-2) and (6, 4)