C because he obviously doubled it and 3 hours doubled is 6 hours
Answer:
30
Step-by-step explanation:
5=5,10,15,20,25,(30),35
6=6,12,18,24,(30),36
30 is the first number that can be used to divide both numbers
Nine hundred thousands place
The answer is y=-1/2x+4 that is if you are finding y. But if you are finding x it is x=-2y+8.