Wym their was no growth rate it lost 53,500 in those 15 years at a rate of about 3,566 a year
X over 49.5 and 20 over 100 then you cross multiply and you get 100x is equal to 990 you divide 100x and 990 both by 100 and get x and 9.9 then you have 50 seniors a month that you give the discount to so you multiply 9.9 by 50 and get 495 so the total discount you give on an average monthly basis is $495.00 Hope this helped
468/(22+17)=12 hours
Bicycles will meets after 12 hours