Answer:
19
Step-by-step explanation:
The answers are:
m = 9 and n = 15
m/15 = n/25 = 12/20
m/15 = 12/20
m/15 = 3/5
5m = 45
m = 9
n/25 = 12/20
n/25 = 3/5
5n = 75
n = 15
wn work
$356
So if they are 400 students we need to:
0.89*400=$356
