Thank you for helping

12 students

Step-by-step explanation:

Ok, so we know that when he asked 5 friends to come 3 of them came.

So let's put that into a probability:

3/5 or .60 if you prefer.

Now, all you have to do is multiply .60 by the possible 20 students:

This gives us 12 students.

Hope this helps :)

step-by-step explanation:   divide the numerator by the denominator to get the decimal

it would still be 193

if divide by 100 then 1.93

i am not sure

a is 8.b is 10.c is 10.5. d is -.5

step-by-step explanation:

just minus the smallest number from the biggest.