Mr. Lassiter has 49 students in his classes. He gave each student three pencils. How many pencils did Mr. Lassiter give out?
3 x 49
3 x (50 - 1)
(3 x 50) - (3 x 1)
150 - 3
147 pencils
3 x (50 - 1)
(3 x 50) - (3 x 1)
150 - 3
147 pencils