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 trip 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?

Question

13 October, 13:26

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Answers (1)

Know the Answer?

Edith Carney · Answer 1

A)

C = 200+10N

10 X 50=500

C=200+500=700

Corey

B)

Duncan may have rounded up for both, giving hims higher estimate.