Ernie deposited $4000 between two savings accounts. one account paid 4% simple interest and the other paid 2%. at the end of one year, ernie had earned $140 in interest for both accounts. how much money did ernie deposit in the account that paid 4% interest?
a) $2000
b) $2500
c) $2800
d) $3000

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?