What exactly are you asking for....?
Answer: 105
Step-by-step explanation:
Corresponding sides of similar triangles are proportional, so

Answer:
73
Step-by-step explanation:
Answer: 5 days
Step-by-step explanation:
so we need to find:
55 - 6a = 40 - 3a
with a being the days we need to find
-40 on each side
15 - 6a = -3a
+6a on each side
15 = 3a
divide each side by 3
5 = a