Question

2×+40+×+60+5×-10=360


a) 27 30' b)28 45'

c)30 30' d)33 45'

Answer 1

2x +40 +x +60+5x -10 = 360
8x+90= 360
8x=360-90
8x=270
x= 270/8
x=33 45'