A cleaning solution is made from vinegar, lemon juice, and water. The table below shows the part of the total solution that is i
n each element. Mr. Allen needs 100 mL of a solution that is 30% vinegar, 15% lemon juice, and 55% water. How much of solution A will Mr. Allen need to make his cleaning solution?
a. 0 mL
b. 10 mL
c. 30 mL
d. 50 mL
a. 0 mL
b. 10 mL
c. 30 mL
d. 50 mL
2 answers:
You might be interested in
The sequence is geometric, so
for some constant r. From this rule, it follows that
and we can determine the first term to be
Now, by substitution we have
and so on down to (D)
(notice how the exponent on r and the subscript on a add up to n)