W Mars 71%
A shop is recording the quwuing time of its customers and produces the
cumulative frequency graph shown below.
1001
a) How many customers queued for more
than 20 minutes?
80
customers
60
Cumulative frequency
40
b) Find the median queuing time.
20
minutes
0
5
0
5
10 15 20
Queuing time (mins)

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

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