Diametre = 2 x Radius
Radius = 7
Circumference = 2πr
= 2x22/7x7
= 44
12x2= $24
24+28+45= $97
So $97 is 100%
So 100%-30% =70% (30% off)
(note: 70% = 70/100 = 0.7)
97 x 0.7 = $67.90
Involving the second and no higher power of an unknown quantity or variable.
Answer:
Each item of clothing costs $12.50
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Step-by-step explanation: