Question

Rick is setting up a modle train that is 5 3-5 feet long No telephone pole is needed at the start of track however along the track he places a telephone pole every 4-5 foot apart . How many telephone poles does he need ? (Input number values only )

Answer 1

Answer: He needs 7 telephone poles.

Explanation:

Length of train track =
`5(3)/(5)\ feet`

`=(5*5+3)/(5)\ feet\\\\=(25+3)/(5)\ feet\\\\=(28)/(5)\ feet`

Distance between two telephone pole =
`\frac45\ foot`

Now, Number of telephone poles = (Length of train track) ÷ (Distance between two telephone pole)

`=(28)/(5)/ \frac45\\\\=(28)/(5)* \frac54\\\\=(28)/(4)=7`

So, he needs 7 telephone poles.