6. a group of 280 elementary school students and 40 adults are going on a field trip.

they are planning to use two different types of buses to get to the destination. the

first type of bus holds 50 people and the second type of bus holds 56 people,

andre says that 3 of the first type of bus and 3 of the second type of bus will hold all

of the students and adults going on the field trip. is andre correct? explain your

reasoning