lluviamonkeys12
lluviamonkeys12 lluviamonkeys12
  • 04-02-2015
  • Mathematics
contestada

train A arrives at central station on the hour and every 12 minutes .
train B arrives on the hour and every 15 minutes .
when do both trains arrive at the same time ?

Respuesta :

vstrunk2002
vstrunk2002 vstrunk2002
  • 04-02-2015
both trains arrive after train a has made its forth trip so every 5 trips
Answer Link

Otras preguntas

How did scientists discover the common structure of cells?
If a slope of a line is 2/0 is it 0 or undefined?
What are the 3 features of a typical seigneurie
Find the value of x.  Round to nearest hundredth if necessary.
Which of the following statements is true concerning LUCA? (1) LUCA was a cell. (2) All life on Earth evolved from LUCA. (3) LUCA probably existed probably arou
Natalie earns $2.50 for each cd she sells and $3.50 for each dvd she sells.  Natalie sold 45 dvds last year.  She earned a total of $780 last year selling cds a
If 8 men can chop down 28 trees in one day, how many trees can 20 men chop down in one day?
Why was is difficult for the Arab people to form one nation?
Does every point lie in a quadrant?
If Walt can paint 25 feet of fence in an hour, and Joe can paint 35 feet in an hour, how many minutes will it take them to paint a 150-foot fence, if they work