The ratio of girls to boys in liza’s classroom is 5 to 4

how many girls are in her classroom if there is a total of 27
students?

1. 12
2. 9
3. 54
4. 15

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Which of the following contains a variable?