Rachel had 36 quarters. If it costs 4 quarters for each coke from a coke machine, how many could she buy?

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

What is the lcm of 16 and 40 ? 24 and 40 ?

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$