B. Multiple Choice. Solve the following problems, use any method to find the LCM. Encircle the letter of the correct answer. 1. Boxes that are 12 inches tall are being piled next to boxes that are 10 inches tall. What is the least height at which the two piles will be the same height? A. 60 B. 12 C. 10 2. Sofie and Son are shelving books at a school library, Sofie shelves 5 books at a time, whereas Son shelves 6 at a time. If they end up shelving the same number of books, what is the smallest number of books each could have shelved? A. 30 B. 6 C.6 D. 1