Math question?
2015-10-26 4:29 pm
回答 (1)
2015-10-26 7:22 pm
✔ 最佳答案
C ∝ nHence, C = kn, where k is a constant.
For "Who?", when n = 4, C = 20 :
20 = k(4)
k = 5
Hence, C = 5n
For "WeAreGreat", n = 10 :
C = 5n
C = 5(10)
C = 50
Total cost = $(50 + 50) = $100 ..... (Ans)
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https://hk.answers.yahoo.com/question/index?qid=20151026082907AAXYzyb