An industrial cleaner is manufactured using only the 3 secret ingredients a, b, and c, which are mixed in the ratio of 2: 3: 5, respectively, by weight. how many pounds of secret ingredient b are in a 42-pound (net weight) bucket of this cleaner?
a. 4.2
b. 12.6
c. 14.0
d. 18.0
e. 21.0

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!