Answer:
0.4
Step-by-step explanation:

Answer:
40
Step-by-step explanation: If 10 : 15, then 4 times both of those should be an hour. This would be 40 : 60. That is why 40 is the correct answer.
Answer:
625
Step-by-step explanation:
t= d/s
2500/4
I hope this helps you
if 18 ft 200$
1 ft ? $
?.18=200.1
?=200/18
?=11,111111