A chemist has one solution that is 5% acid and a second that is 2% acid. How many gallons of each should be mixed together to get 16 gallons of a solution that is 3.25% acid? Define the variables Write a system of equations to determine how much should be used to form 16 gal of a 3.25% acid solution? Equation 1 Equation 2

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step-by-step explanation:

step-by-step explanation:

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )

it’s the first one your welcome