How many gallons of a 80% antifreeze solution must be mixed with 100 gallons of 15 % antifreeze to get a mixture that is 70% antifreeze? Use the six-step method

the answer is 37

step-by-step explanation:

the mean and mad

step-by-step explanation:

sorry can't

step-by-step explanation:

i googled though and something came up but it was in science langueage not common english sooo

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11