Quotient means division.
(9x)/16 = 81
9x = 1296
x = 144
The unknown number is 144.
SOLUTION
In this question, we are meant to expand the expression:

Answer:
tan 75 =x/you is the my answer
For this you would do

Because 60% is the same as 0.60. And solving a problem like this is the opposite of finding a percent of a number. When you solve this you get 80. So there are 80 students in total.
Answer:

Step-by-step explanation:
