A company that makes nails finds that it would sell 42 boxes of nails per month if they are priced at $20 per box. If the compan
y lowers the price to $10 per box, then more people would purchase nails and the company could expect to sell 52 boxes per month. Find the equation of the line for the demand equation if x represents the number of boxes sold and y is the price of a box of nails. A.) y = 62 + x
B.) y = 42 − x
C.) y = 42 + x
D.) y = 62 − x
If x = number of boxes sold and y = price of nails box, then it is best represented by the equation y = 62 - x. Checking: If y = 20 and x = 42, 20 = 62 - 42 20 = 20
If y = 10 and x = 52. 10 = 62 - 52 10 = 10
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