The first box plot
minimum: 0
lower quartile: 10
median: 20
upper quartile: 40
maximum: 60
18 + 1/2 x (9 - 4) =
18 + 1/2 x 5
18 + 2.5
20.5
20.5 is your answer.
Answer:
$0.60
Step-by-step explanation:
The costs are:
$0.15 + $0.25 = $0.40
He sells it for $1.25.
The value added is:
$1.25 - $0.40 = $0.85
( 4 / 5 )^-2 = ( 5 / 4 )^2 = 25 / 16 ;
