CEMC Cayley, 2008

Algebra Difficulty 1.0 Junior Find the answer Canada

Vivian's cell phone bill includes the graph showing her cell phone use for the month. She is charged $\$20$ per month, plus $\text{10}$ per minute for daytime calls, plus $\text{5}$ per minute for evening calls after the first $200$ evening minutes. (The first $200$ evening minutes are free.) What is her total cell phone bill for the month shown?

(A) $\$25$ (B) $\$40$ (C) $\$45$ (D) $\$70$ (E) $\$75$

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