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Answer:
games - 7.5 hours
research - 1.5 hours
7.5-1.5 = 6
He played games 6 hours more than doing research
Explanation:
30:100=0.3
1% - 0.3
0.3x5=1.5
0.3x25=7.5
Answer: 6 hours
25% of 30 = 7.5
5% of 30 = 1.5
7.5 - 1.5 = 6
Tremaine used 6 hours more to play games than to do research.