An experiment calls for a 5% salt solution. Only a 3% salt solution and an 8% salt solution are available. How many gallons of each must be combined to obtain 30 gallons of a 5% salt solution?

the correct answer is you spend $55.78 more in a brand store that buy ing in a normal store.

step-by-step explanation:

brand = spend   $ 135.85 total

store = spend $80.07 total

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation:

7

step-by-step explanation:

the answer would be 7