Ages of the First 21 Shoppers to Walk into a Department Store
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10
20
30
40
50
60
What is the median age shown on the box-and-whisker plot?
A. 1
B. 11.5
C. 19
O D. 38.5
E. 53

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -

6

step-by-step explanation:

1/4 is the asnwer cuz 5/20 is the faction