Kulas, Pedro and Juan got different answers for this problem: 50 - 3 x [(6 x 4 + 12) + 15 - 3]
Kulas' answer was 99. Pedro's answer was 29 and Juan's answer was 39.
a. Who got the correct answer?
b. Show and explain how the other two learners got the wrong answer.
PA HELP NAMAN PO FOLLOW KITA