Answer:
4 units
Step-by-step explanation:
the first dot and the last links at r
x-3: 50
X+4: 36
4x = 9 - 3y
4x = -3y + 9
x = (-3y + 9) / 4
50 penguins live at the zoo
21
Can I have brainliest:)
yob
yo b