He was there for 3 hours cause 3 x 35 = 105 but 105 + 55 = 160
Answer:
solve simultaneously
start by labeling them equation 1 and 2 then choose whether you want to make x or y the subject from knew of the equations
1- y= x/2 + 2
2- y= 3x +1
3- y= x/2 - 2
4- y= 3x - 1
3345 because it’s squared
