Set up a ratio and solve for the missing value:

The couple rested for 45 minutes in 5 hours.
Answer:
fully simplified answer: x^2-2x+8
Step-by-step explanation:
8x10^5 = 800,000
times 800,000 by 0.5 (or just half it) would equal 400,000, which is translated to 4x10^5
Answer:howw??
Step-by-step explanation:
Umm how?