Question

How many gallons of 7% paint be mixed with 1 gallon of 18.2% paint to obtain 8.6% paint

Answer 1

7*x+18.2*1=8.6(1+x)
18.2-8.6=1.6x
x=9.6/1.6=6

Answer 2

Where are you getting the (1+x) from that equation?

Answer 3

new solution has the quantity of x gallon of 7% and 1 gallon of 18.2% so total (1+x) gallon.

Answer 4

if u got it then let me know please..

Answer 5

yea i got those kind of mixture problems thanks