Read and Analyze the word problem.

1. Delfin is willing to give a reward to whoever guesses his age this year. His clues
state that his age is divisible by 12 and is a multiple of 9, and that he is less than 51
years old. How old is Delfin?

2. There are 156 pupils in Grade 5. Mrs. Alvarez wants to split up the pupils into
equal groups for doing the Math activity. How many ways Mrs. Alvarez can group the
pupils?​