The first day, Brian saw 31 birds and twice as many squirrels as birds. The second day, Brian saw 20 birds and 42 squirrels. Which of the following is a good estimation of how many birds and squirrels Brian saw in the two days?

The first day Brian saw 31 birds and twice as many squirrels as birds The second day Brian saw 20 birds and 42 squirrels Which of the following is a good estima class=