Question

04 W 11, Multiple Representations There are South animals in the Spring ale Zoo That is of African animals in the 209. Written equation you could use to find n, the number of African animals in the zoo

Answer 1

X is the number of African animals.
0.5x - half of the number of African animals.
Accroding to the data:
172=0.5x+45 (172 quantity of South American animals)
172-45=0.5x
127=0.5x
127*2=x
x=254 - the answer