50:
40 is 10 less than 50
60 is 10 more than 50
Answer:
$356
Step-by-step explanation:
So if they are 400 students we need to:
0.89*400=$356

The slope perpendicular to 1/4 or .25 is 4.
Then you would use point slope form to write the equation.
Then you could simiplify the equation to y=4x+32.
Step-by-step explanation:
done
.......................
50/80, then divide it by ten so the answer is 5/8. Once the number can divide both numbers your good.