Respuesta :

Answer:

Step-by-step explanation:

*The part about how many books per student is irrelevant to the question*

All you need to do is multiply 18 rows by 4 students per row.

18 * 4 = 72 total students on bus

Answer:

72

Step-by-step explanation:

18 times 4 equals 72. If there are 4 students in EACH row out of all the 18, then there is 72 kids on the bus.