An animal clinic charges $40 for vaccinations of kittens and $55 for vaccinations of puppies. last week, the clinic earned $1,450 from vaccinations, including 14 puppies. how many kittens were vaccinated at the clinic last week?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.