Level:
Project ID:
1003047805
Accepted:
1
Clonable:
0
Easy:
0
A cyclist plans to travel $1666\,\mathrm{km}$ in $14$ days during her vacation. She knows that the number of kilometers she rides every day will decrease by the same number so she planned her route accordingly. At the beginning of the last day she was only $80\,\mathrm{km}$ away from her goal. What is the difference between the numbers of kilometers she rode on two consecutive days?
$6\,\mathrm{km}$
$7\,\mathrm{km}$
$5\,\mathrm{km}$
$4\,\mathrm{km}$
$3\,\mathrm{km}$