Babysitting is tough, so you decide it is time to stop doing it for free for your parents and start making some money. You decide to charge $25 an hour for babysitting with a $10 fee up front to cover

Babysitting is tough, so you decide it is time to stop doing it for free for your parents and start making some money. You decide to charge $25 an hour for babysitting with a $10 fee up front to cover expenses. Your friend is a jerk and decides to start babysitting too and charges $30 an hour with no fee.

a) What equation would model the amount of money you make babysitting (y) based on the number of hours you babysit (x)?

b) What equation would model the amount of money your friend makes babysitting (y) based on the number of hours your friend babysits (x)?

c) Which babysitter is cheaper for 4 hours of babysitting?

d) Which babysitter gets you more hours of babysitting for $100?

e) At what point do the babysitters cost the same amount?