Register
A green light blinks every 4 seconds and a yellow light blinks every 5 seconds. When will both lights blink at the same time?
87.4k views
1 vote
A green light blinks every 4 seconds and a yellow light blinks every 5 seconds. When will both lights blink at the same time?

User Fevly Pallar
by
3.5k points

2 Answers

4 votes

Answer:

20 seconds

Explanation:

LCM 4 times 5 is 20 just think abt it

User Jerry Jeremiah
by
3.6k points
3 votes

Answer:

20 seconds

Explanation:

4 x 5 = 20

User Mr Random
by
3.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.4m questions

4.4m answers

Other Questions

Can someone help me plz I have to Turn 27/9 in simplest
The sanchez family goes out for dinner, and the price of the meals is $60. The sales tax on the Meals is 7 percent, and they also want to leave a 15 percent tip. What is the total cost of the meal? Analyze
Simplify: 10 ÷ [(5 + 2) − 5]
A survey of 539 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: 189 watched TV 163 hung out with friends 29 watched TV and ate pizza, but did
WHAT IS 33 TIMES 5 TELL ME THE ANWER
Link Copied!