A pharmacist mixes 10 grams of a 15% medicine solution with 25 grams of a 10% medicine solution. 14b: How many grams is the mixture that the pharmacist has now?

14c: What concentration of medicine is in the mixture?

14d: If the pharmacist adds x grams of pure medicine to her mixture, how many grams of medicine will the mixture contain?

14e: After the pharmacist adds x grams of medicine, how many grams of the mixture does she have?

14f: Suppose we know that after she adds the x grams of pure medicine, the pharmacist's mixture is a 25% medicine solution. Write an equation.

14g: Solve the equation from part (14f) to find how many grams of pure medicine the pharmacist needs to add to achieve a 25% concentration of medicine

I will be very grateful if someone answers these questions for me - will mark branliest and 5 stars

to plot points   for x just start at the origin (middle) and go to the left however many times it say(if the number is a positive) if the number is a negative then go right however many times it says if it is 0 go nowhere

now keep you pencil there and go up however many times it says on y(if it is positive) if it is negative then go down however many times it says. if it says 0 go nowhere.

you have just plotted a point! now when you finish plotting all of them connect them with a ruler

plot each point as (-3, 7), (0,4), (3,1), (8,-4)   in the parenthesis on the left of the comma is x and the right is y.

9

step-by-step explanation:

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.

answer: on graphs, the open and closed circles, or vertical asymptotes drawn as dashed lines us identify discontinuities.

as before, graphs and tables allow us to estimate at best.

when working with formulas, getting zero in the denominator indicates a point of discontinuity.

when working with piecewise-defined functions, check for discontinuities at the transition points where one piece ends and the next begins.

step-by-step explanation: