Easy 10 points and brainliest if answered

Answer is 10

Step-by-step explanation:

Subtract

1

from

2

.

16

⋅

1

2

+

2

Multiply

16

by

1

.

16

2

+

2

Divide

16

by

2

.

8

+

2

Add

8

and

2

.

10

✓ x gal of 25% 20-x gal of 5% pure alcohol is x(.25)+(20-x)(.05)=20*.16=3.2 so .25x+1-.05x=3.2 gallons of 25% .20x=2.2 gallons of 5% x=11 gallons of 25%.

Step-by-step explanation:

Hope this helps~ ;D