A drink is a mixture of three parts water to 1 part orange concentrate. How much water should be added to 100ml of orange concentrate? *

  300 mL

Step-by-step explanation:

If one part is 100 mL, then 3 parts will be 300 mL.

300 mL of water should be added.

its not b

step-by-step explanation:

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers