the answer to your equation is 25, because 17 if 68 is 25
I believe 60 degree is your answer
The scale of the drawing is larger than the actual object, because for every 2 centimeters shown, the actual object is 1 millimeter long.
9.75+9.75+9.75= 29.25 (if you do not include tax). $43.00 - $29.25 = $13.75 so therefore after buying 3 tickets worth $9.75 each, he will have $13.75 left over.