Ski club members have identical kits for beginners they have 60 hand warmers and 48 foot warmers. find the biggest number of identical kits they can compare using all the hand warmers and foot warmers

54, jfvhgnjhvnjhcbnncjigjm

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."

x+4 would be the answer