I represents then there is the imaginary part, and the real part the i is the imaginary the 7 is the real part distribute i-(7-8i) i-1(7-8i) i-7+8i -7+9i it is normally writtnen in a+bi where a is the real part and b is the imaginary part
Hey there, It take 45 min to complete 75% of the wall 1% = 45 / 75 = 0.6 100 % = 0.6 x 100 = 60 min It takes her 60 mins or 1 hour to finish building the wall.
