42.0k views
4 votes
You receive 9 text messages in 12 minutes. What is the rate of text messages per hour?

User Yongji
by
8.1k points

1 Answer

2 votes
remember 60 mins per hour
9 per 12
use ratio and proportion
9:12=x:60
9/12=x/60
multiply both sides by 60
540/12=x
45=x
the answer is 45

a shortcut is yo know that 12 times 5=60 so
9 times 5=answer since 12 times 5=60


answer isi 45
User Bryan Porter
by
8.7k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories