A chemist mixes a 12% acid solution with a 20% acid soluzion to
make 300 milliliters of an 18% acid solution. How many milliliters
of each solution does the chemist use?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio