So if x people were surveyed,

people owned a bike and

did not.
The difference between them is 72:

x-\frac{1}{8} [/tex] =72
so this means that

x=72
let's simplify:

x=72
and divide by 3:

x=24
and mupliply by 4:
x=96
so 96 people were surveyed
Answer:
headband 17.88
Wristband 9.31
Step-by-step explanation:
headband: 822.48/(43+3)
Wristband: 400.33/43
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