Book Maths Puzzle Percentage

How many mL of water are needed to add to 5 mL of acid to make a 20% acid solution?

Can you show the answer in the factor label method?

Read Solution (Total 0)

Book Other Question

Find two consecutive EVEN integers whose sum is 120. I know the answer but not how to solve it and show the work! At an amusement park you get 5 points for each bull's eye you hit, but you lose 10 points for every miss. After 30 tries, Yolanda lost 90 points. How many bull's eyes did she have?