68.3-5[4.2+3.6(4-1.5)]
2.3 is the answer i get it right
68.3-5[4.2+3.6(4-1.5)]= 68.3 - 5[4.2 + 3.6(2.5)]= 68.3 - 5[4.2 + 3.6(2.5)]= 68.3 - 5[4.2 + 9]= 68.3 - 5[13.2]= 68.3 - 66= 2.3