Answers 5 In the diagram shown, line p is parallel to line q.
45
30
What is the measure of 21? Explain how you can use parallel lines and transversals to
find the answer.

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of