Tianna charges a flat rate per hour of babysitting. if she babysits for 6 hours, she earns $57.she also has a do service and charges $12 per walk. at that rate ,how much will she earn if she babysits for 35 hours ? what is the problem asking you to find ? a. the amount she will earn for 35 hours of babysitting? b. the amount she makes per hourc. the amount of hours she babysits d. the amount of money she charges for walking a dog