Mathematics, 03.02.2021 23:00 sasha3893

Hiii if you could answer these few questions that'd be great <3 1) On Monday, you swim 12 laps in 30 minutes. On Tuesday, you swim 15 laps in 45 minutes. Are these rates proportional? Explain.

2)There are 108 adults taking a boating safety course. The ratio of adults to students is 9 to 4. How many people in all are taking the course?

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