Jamila travelled1/3 of her journey by motorcycle. she then travelled 1/2 of the remaining part by bus and completed her journey by walking 4km on foot what distance did she cover for the whole journey
41/2
length of journey ---- x
(1/3)x + (1/2)(3/4)x + 4 = x
x/3 + 3x/8 + 4 = x
times 24
8x + 9x + 96 = 24x
7x = 96
x = 96/7 km or appr 13.7 km