Question

155 students are going on a field trip. Each bus can carry 42 students. If every bus except the last one carry's as many students as possible, how many students will he last bus carry

Answer 1

29 because 3 times 42= 126. So 155-126=29. The last bus will carry 29 students.

Answer 2

3 buses x 42 = 126... So the final bus will carry 155-126=29 students.... Mental Math.