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:
A
Step-by-step explanation:
This is right belive me
Answer:
let cp be x
sp= 115x/100 ---(when 15%gain)
sp = 88x/100------(when 12% loss
according to question
115x/100 - 88x/100 = 81
or, (115x-88x)= 8100
or, 27x = 8100
or, x= 8100/27
x = 300
hence cp is RS 300
-3x+4=-17
subtract -4 from both sides
divide -3 from both sides
the answer is 7
Answer:
12 = 22 × 3
Step-by-step explanation: