OG 2016 Tracker >>> OG2016 Problem Solving Video Solutions (OG Diagnostic)



OG 2016 Numbering:
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OG2016 PS Diagnostic #14.
Of the 84 parents who attended a meeting at a school, 35 volunteered to supervise children during the school picnic and 11 volunteered both to supervise children during the picnic and to bring refreshments to the picnic. If the number of parents who volunteered to bring refreshments was 1.5 times the number of parents who neither volunteered to supervise children during the picnic nor volunteered to bring refreshments, how many of the parents volunteered to bring refreshments?
25
36
38
42
45
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