what is a ratio
the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
3x+4=10 x=?
x=2
where would 2,2 be on the coordinate plane
quadrant 1
H:1 1/4
W:2
L: 1 3/4
1.375
what is the mean of this data set 1,5,2,1,3,2,3,4,3
2.66
what is a proportion
A proportion is an equation in which two ratios are set equal to each other
12x+6=54 x=?
x=4
where would 7,-4
quadrant IV
H:2
W:3
L:2
12
what is the range of this data 1,3,4,2,5,6,3,4
5
what is 50% of 500
250
6x+12=72 x=?
x=12
where would 2,6 be on the coordinate plane
quadrant I
H:3
W:4 1/2
L:4
54
what is the median and mode of this problem 1,1,1,2,3,3,3,4,5,5,6
3 is the median
1 and 3 is the mode
what is 30% of 200
2x-12=12 x=?
x=12
where would -2,-5 be on the coordinate plane
quadrant III
W:3
H:3 1/4
L:3 3/4
36.5
what is the mean of this problem 1,2,1,4,2,5,3,4,8,5
3.5
what is 45% of 700
315
3x+4-3=19 x=?
x=6
where would -9, 2 be on the coordinate plane
quadrant II
H:2
W:1 1/2
L:2 1/4
6 3/4
what is the mode of this problem 12,14,13,17,12,15,14,13,12
12