Răspuns :
x-lungimea drumului
1/2 din x= 1/2 * x= x/2 -in 1a zi
x- x/2 = (2x-x)/2= x/2 -restul
3/4 din x/2= 3/4 * x/2= 3x/8 -in a2a zi
x/2 - 3x/8= ( 4x-3x)/8= x/8 -noul rest ( adica cat a parcurs in a3a zi)
x/8 = 60
x=8*60
x=480km
1/2 din x= 1/2 * x= x/2 -in 1a zi
x- x/2 = (2x-x)/2= x/2 -restul
3/4 din x/2= 3/4 * x/2= 3x/8 -in a2a zi
x/2 - 3x/8= ( 4x-3x)/8= x/8 -noul rest ( adica cat a parcurs in a3a zi)
x/8 = 60
x=8*60
x=480km