20+17c if c is 50 or under and 20+15.80c if c is more than 50
Answer:
The answer is -3/8
Step-by-step explanation:
Amayo943,
Remember that with exponents you have to multiply the number of exponets by the same number it's in for example: 
In this case you need to know that:
Therefore your answer is "225."
Hope this helps!
Answer:
create a graph
Step-by-step explanation:
like this
X Y
-3
0
3
and solve for y
Ok, to solve this first you have to set up your proportion:
9/150=x/230
/ is a fraction
x= the number of vials it will take to treat 230 patients
in order to solve this, you have to cross multiply:
9 x 230= 2070
150 · x= 150x
so you get 150x=2070
then divide 2070 by 150
2070/150= 13.8
so it would take 13.8 vials of medicine to treat 230 patients
