The box-plot shows the life span, in days, of two different brands of 60-watt light bulbs. Which data set has the greatest median? About how much greater is the median of the data set?

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Step-by-step explanation:

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

this is answer of 144 cubic meters