If I have an exam which lasts 3 hours and there are 42 questions, 34 which are worth 2% and 8 that are worth 4% - how long should I spend on a 2% question and how long should I spend on a 4% question?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.3: Equations With Fractional Coefficient
Problem 14P
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If I have an exam which lasts 3 hours and there are 42 questions, 34 which are worth 2% and 8 that are worth 4% - how long should I spend on a 2% question and how long should I spend on a 4% question? 

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