So far, he spent 3 hours reading the first 165 pages. If Kamal continues to read at the same rate, how many more minutes will he need to finish the 198-page book?

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car