Question

if the train went 390 miles in 3 hours, what was the speed in miles per hour

Answer 1

Answer:

Speed = 130 mph

Step-by-step explanation:

Distance travelled = 390 miles

Time taken = 3 hours

$Speed = \frac{distance \: travelled}{time \: taken} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{ 390 }{ 3 }\\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 130 \: mph (miles \: per \: hour)$