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100
the sum of 2 and a number x
2 + x
100

five more than a number k is 12

k + 5 =12 k = 7

100
the difference of a number and 22
x - 22
100
the number of seconds in m minutes
60m
100

- 7 + 28 

-7+ 28 = 21

200
7 more than a number
n + 7
200
the product of a number and 6 is 30
6x = 30 x = 5
200
5 less than three times a number
3x - 5
200
the number of months in y years
12y
200

0.8 times 8

6.4

300
the difference of a number and 6
n - 6
300
the difference of a number w and 11 equals 35
w - 11 = 35 w = 46
300
5 more than twice a number
5 + 2x
300
the number of tokens needed to play v video games if eahc game takes 4 tokens
4v
300

What is the median of the following data set?

3, 13, 7, 5, 21, 23, 23, 40, 23, 14, 12, 56, 23, 29

Numbers in Order:

3, 5, 7, 12, 13, 14, 21, 23, 23, 23, 23, 29, 40, 56

Middle Numbers: 21, 23

21+23 = 44 / 2 = 22

400
the quotient of a number and 5
n / 5
400
the quotient of 12 and a number equals 3
12/x = 3 x = 4
400
the quotient of twice a number and 12
2x / 12
400
number of days left in a week if d days have passed so far
7-d
400

2/5 + 3/7

14/35 + 15/35 29/35

500
18 less than a number
n - 18
500
three more than twice a number equals 15
3 + 2x = 15 2x = 12 x = 6
500

the difference of 22 and the product of t and 5

22 - 5t

500
each person's share if p people share 16 slices of pizza equally
16/p
500
4/5 divided by 2/3
1 1/5