A spring coat that cost the retailer $60 was marked up 20% of the cost. What was the price increase?
2 answers:
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Answer:
1 and 2) After multiplying (x+y+3)(y+1) we have
- xy+x+y^2+4y+3
Which is an equivalent expression after applying the distributive property.
As we can see we have an one of the variables squared, so we obtain an Parabolic Cillinder
