A whole number is always written as itself over one.
45/1
Answer: 45/1
Answer:4
Step-by-step explanation: 5 times 6=30
30-2(4)=22
We need to work with the same units, so first, we convert 1 km to cm.
1 km = 1000 m
1 m = 100 cm
1 km = 100,000 cm
Now we divide 100,000 cm by 5 cm.

Answer: It will take 20,000 years.
5 * 4 = 20
Answer: 20 quarter hours