During a fitness test, Coach Drakes recorded each student's stats.
Zach
78 sit-ups in 2 minutes and 42 push-ups in 3 minutes
Jamarion
87 sit-ups in 3 minutes and 26 push-ups in 2 minutes
Oscar
105 sit-ups in 3 minutes and 44 push-ups in 4 minutes
How many push-ups can Zach do in 5 minutes?