A person estimates that she walks for about 3 hours per day, taking an average of 1 step per second, with each step being an average length of half a metre. What is her estimate of the distance she walks in one week?

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?