Foundation November 2017 Paper 2 Q4

4 One morning, eight buses arrive at a bus stop.
The number of minutes late for each bus is shown below.

\[0 \qquad 7 \qquad 2 \qquad 6 \qquad 9 \qquad 2 \qquad 0 \qquad 7\]

In the afternoon, two more buses arrive at the bus stop.

The median number of minutes late of all ten buses is 3.5.
The mode number of minutes late of all ten buses is 0.

How many minutes late were the two afternoon buses? [3]