Question

A bottle contains 400 mL of fruit punch with a concentration of 50% pure fruit juice. Jill drinks 100 mL of the punch and then refills the bottle with an equal amount of a cheaper brand of punch. If the concentration of juice in the bottle is now reduced to 48%, what was the concentration in the punch that Jill added?

Answer 1

make a chart

Answer 2

that doesnt help me do you know another way to solve it

Answer 3

it does help

Answer 4

o it doesnt help you, ok let me try another way

Answer 5

Jill drinks 100 ml of the punch:
Now, the volume is 400-100 = 300 ml
The amount of fruit juice is now: .50*300 = 150 ml

Answer 6

so what is the percentage of pure fruit juice

Answer 7

100x+150=0.48*(400)
100x+150=192
x= (192-150)/100
x=0.42

Answer 8

if you like my answer click good answer,ty