Oxerville middle school is going to rent some vans to take students on a field trip. each van can hold 8 students. if a total of 88 students are going on the field trip, how many vans does the school need?

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given