The demand for your hand-made skateboards, in weekly sales, is q = −5p + 900
if the selling price is $p. You are prepared to supply
q = 5p − 600
per week at the price $p. What price should you sell your skateboards for so that there is neither a shortage nor a surplus?
$_per skateboard

typically if you want , you would actually put questions here for us to you. but hey, that's just me. maybe someone will magically answer the questions for you without knowing what they are.

what was there favorite food

yeah i know the problem you need. i am taking it right now. the answer is step 3

~mickey