The ski club is planning a trip for winter break. They write the equation C=200+10N to estimate the cost in dollars, C of the tr
ip for N students. Duncan and Corey both use the equation to estimate the cost for 50 students. Duncan says the cost is $10,500 , and Corey says it's $700.
A) Whose estimate is correct?
B) How do you think Duncan and Corey found such different estimates if they used the same equation?
