Question

A Boston subway train traveling at constant speed traveled 10.1 miles in half an hour. What was the speed of the subway train? miles per hour

Answer 1

Answer: 20.2 mph

Explanation:

Given

Train travels 10.1 miles in half an hour i.e.

Distance
`d=10.1\ \text{miles}`

time
`t=0.5\ hr`

we know,
`\text{distance=speed}*\text{time}`

Insert the values

`\Rightarrow 10.1=v* 0.5\\\Rightarrow v=20.2\ mph`