Four families contacted Serena to see if she could babysit for them on Saturday night. Each family pays an amount that is proportional to the number
of hours Serena would babysit. Serena collects information from each family,
shown below. If Serena wants to earn the most money on Saturday night,
which family should she work with? Explain why.
Family 1
Hours (x) Pay $ (y)
3
21
5
35
6
42
Family 2
For 4 hours of babysitting,
the family will pay $29.