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>
Answer:
Step-by-step explanation:
Real and rational and integer?
4/7,8/14,12/21,16/28,20/35,24/42,28/49,32/56,36/63,40/70 and so on are equivalent fractions to 4/7
