**Question**

*This is a scale question and will need to be completed on paper rather than on the website. Click here for a printable PDF of this question.*

19) The scale diagram below shows two cities, P and Q.

A plane departs from P at 0947 and arrives at Q at 1207.

a) Work out the average speed, in kilometres per hour, of the plane

a) Work out the average speed, in kilometres per hour, of the plane

**[5 marks]**

b) Give one reason why your answer may be inaccurate.

**[1 mark]**