Mixture problem a mixture of 16% disinfectant is to be made from 20% and 14% solutions.
how much of each should be used if 15 gallons of the 16% solution are needed?

x= -3

step-by-step explanation:

step 1: simplify brackets

4 - x - 1 = 6

step 2: simpilfy

3 - x = 6

step 3: subtract 3 from both sides

-x = 6 - 3

step 4: simpilfy 6 - 3

-x = 3

step 5: multiply both sides by -1

x = -3

i can you with this sweetie!

step-by-step explanation:

i think the answer is b.

step-by-step explanation:

not 100% sure though.