Maths Olympiad Prep

Library / /7 of 356

, 2005

Algebra Difficulty 1.0 Junior Find the answer Canada

A movie theatre has eleven rows of seats. The rows are numbered from 11 to 1111. Odd-numbered rows have 1515 seats and even-numbered rows have 1616 seats. How many seats are there in the theatre?

(A) 176176 (B) 186186 (C) 165165 (D) 170170 (E) 171171

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.