Tomas makes balloon sculptures at a circus. in 90 minutes he makes 150 balloons to make 30 identical balloon sculptures how many minute does it take to make one balloon sculpture

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?