Answer=63 pictures
Jennifer=4/5*Luisa
Jennifer=28
Substitute '28' for Jennifer
28=4/5*Luisa
divide both sides by 4/5
35=Luisa
Luisa has 35 pictures on her camera
35+28=63
Answer: The answer is 20
Step-by-step explanation: If all interior angles are 162o , polygon has 20 sides.
Answers in Image attached
Hope this helps