For this problem you have to isolate the variable. To do this you must inverse the operations. Multiply 18 by 5, then divide by 12 to get your answer of 7.5
48:24 = 24:12 = 12:6 = 6:3 (divide each number by 2 or multiply by 2)
Answer:
2/3, 3/4, 5/6, 7/8, 8/9, 9/10, etc.
Step-by-step explanation:
1/2 is smaller than 1/3, which is smaller than 3/4, which is in turn smaller than 5/6, and so on.
Class B has the most consistant sleep because there is less of a difference between 6.87 and 3.65 than the other classes.