When a Cray-Ze-Ball is dropped, it bounces to half the height it was dropped from. If a Cray-Ze-Ball is dropped from a height of 6 feet, how far has it traveled when it touches the ground the 5th time?

Let hh represent the number of hummingbirds and ss represent the number of sunbirds that must pollinate the colony so it can survive until next year. 6h+4s > 746h+4s> 74 this year, 88 hummingbirds pollinated the colony. what is the least number of sunbirds that must pollinate the colony to ensure that it will survive until next year?