Question

PLEASE HELP

On a recent bird-watching expedition, Eriq and Salle saw several different kinds of waterfowl. They saw grebes (G), ducks (D), cormorants (C), geese (E), and spoonbills (S). They saw some of the birds at the beach (B), some at the lake (L), and some in a field (F). Write an expression to represent each of the following pieces of information.
a. The total number of birds that they saw
b. The percentage of birds that they saw at the lake
c. The fraction of birds that were geese or duck

Answer 1

Explanation:

first divide you duck by one two three and then subtracted by 578

Answer 2

A. Total number of Birds: G + D + C + E + S or B + L + F

B.
`(L)/(B+L+F)`

C.
`(G+D)/(B+L+F)`