Answer:
1. 636miles/hour
2. 53.65milesper hour
3.696miles per hour
4.37.09mikes per hour
5. 6.99miles/hour
Explanation:
you first convert all the time into improper fractions
then work out speed which is got by dividing distance with time
What is the SI unit of time?
A.
second
B.
minute
C.
hour
D. day
Answer:
option a. second
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