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Make 'w' the subject: p=3w 20/200

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p=3w 20/200
we can think of this like
p=(3)(w)(20/200) [(x)(y) means x times y]
divide both sides by 3
p/3=(w)(20/200)
multiply both sides by 200/20 to cancel out the fraction on the right side
200p/60=w
User Arhnee
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