10,000/250=40
40x2=80
The answer is 80 defective trains
Answer:
Step-by-step explanation:
9/16=x/12
cross product
16x=9*12
16x=108
x=108/16
simplify
x=27/4
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x-3/18=12/9
x=12/9+3/18
x=24/18+3/18
x=27/18
x=3/2
--------------------
7/11=18/x+1
18/x=7/11-1
18/x=7/11-11/11
18/x=-4/11
x=18/(-4/11)=(18/1)(-11/4)=-198/4=-99/2
x=-99/2
Mph
778 mile x ? hours = 50 miles per hours
Therefore,
778 miles /50 mph = 15.56 hours
15.56 hours to the nearest tenth is 15.6 hours
15.56 hours = (15.56 x 60) 933.6 minutes
933.6 minutes to the nearest minute is 934 minutes