False 25 yes but 15 and 18 is incorrect
The last answer, because the class is being divided into four groups. So the class number is not known, thus it is represented by “w” and divided by four.
Answer:
(4x+12)=90
x= 19.5
Step-by-step explanation:
Fraction is 2.161616/1000000
mixed number is 2 161616/1000000