Register
David watches Maria and Alma race electric trains around a track. Maria's train goes around the track in 10 seconds. Alma's train goes around the track in 12 seconds. How long will it take for both trains
190k views
2 votes
David watches Maria and Alma race electric trains around a track. Maria's train goes around the track in 10 seconds. Alma's train goes around the track in 12 seconds.

How long will it take for both trains to cross the finish line together the first time?

User Boldewyn
by
5.1k points

2 Answers

3 votes

the anwser is 60 seconds

User Onur Turhan
by
4.6k points
6 votes

Answer:

60 seconds

Explanation:

The LCM of 10 and 12 is

10 = 2 × 5

12 = 2² × 3

LCM = 2² × 3 × 5 = 60

Answer: 60 seconds

User Louanne
by
4.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.3m questions

6.8m answers

Other Questions

What number is halfway between 0 and 18
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
how long Will it take for $7000 investment to grow to $7553 and the annual rate of 3.4% compounded quarterly assume that no withdrawals are made
I need to simplify this expression.
Need answer to math problem!!!​
Link Copied!