Train a has a speed 15 miles per hour greater than that of train
1 answer:
Train a speed = x+15
Train b speed =x
255/x = 300/(x+15)
255(x+15) = 300x
255x +3825 =300x
3825 = 45x
X = 3825/45 =85
<span>Train B = 85 miles
per hour</span>
<span> Train A = 85+15 = 100
miles per hour</span>
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For the question the answer is a
Step-by-step explanation:
If your question is x² + 5xy
Then,
Numerical coefficient = Number in the given expression
Numerical coefficient = 5
Option A
18). 16:80 is the ratio but in simplest form is; 5:0
19). 36:54 is the ratio but in simplest form is; 2:3
20). 12:24 is the ratio but in simplest form is; 1:2
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