An animal shelter spends $2.35 per day to care for each cat and $5.50 per day to care for each dog. pat noticed that the shelter spent $89.50 caring for cats and dogs on wednesday.
later pat found a record showing that there were a total of 22 cats and dogs at the shelter on wednesday. how many cats were at the shelter on wednesday?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.