A water tank holds 720 gallons but is leaking at a rate of 4 gallons per week. A second water tank holds 960 gallons but is leaking at a rate of 7 gallons per week. After how many weeks will the amount of water
in the two tanks be the same?
The amount of water in the two tanks will be the same in
weeks. Can someone help me plz hurry

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First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.