CD = 13
6x - 5 = 4x + 1, combine like terms to get
2x = 6, divide 6 by 2
x=3, plug it in...
CD= 4(3)+1, which is 12 + 1
CD = 13
Answer:
Average speed of train = 4x/3 miles per hour
Step-by-step explanation:
A train travels x miles in 3/4 hours
Let's find the distance train travels in 1 hour.
i.e distance travel in one hour = x /(3/4)
or distance travel in one hour = 4x/3
So,
Average speed of train = distance / time
Average speed of train = ( 4x/3 / 1 )
Average speed of train = 4x/3 miles per hour
Answer:
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Step-by-step explanation: