Ihave some coins, and 36 of them are pennies. the ratio of pennies to dimes is 1: 3, and the ratio of dimes to nickels is 4: 5. how many nickels do i have?

Apath 3 m wide runs around the inside of a square park inside 60 m. find the area of the path. pls

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online