Answer:
3rd option
Step-by-step explanation:
- 1 (
)
- 1 is multiplying the complere fraction , not just 1 part of it , so
= - 
I think it is 23 I think I hope I helped
<span>So we want to know how many students out of 144 practice martial arts every day if we know that 7/12 practice every day. So lets multiply the numerator and the denumerator with 12. We will get (12*7)/(12*12)=84/144. And we got our answer: 84 out of 144 students practice every day.</span>
Both 9/3 and 54/18 come out to 3, so your answer is:
18:54