1MA0 Higher March 2013 Paper 2 Q7

7 Peter goes for a walk.
He walks 15 miles in 6 hours.

(a) Work out Peter’s average speed.
Give your answer in miles per hour. (2)

5 miles = 8 km.

Sunita says that Peter walked more than 20 km.

*(b) Is Sunita right?
You must show all your working. (2)

Answer	Mark	Notes
2.5	2	M1 for 15 ÷ 6 oe A1 for 2.5 or \(2\frac{1}{2}\)

Mark scheme (b)

Answer	Mark	Notes
Yes + evidence	2	M1 for a correct method to change 15 miles into kilometres C1 (dep M1) for 24 km and statement with correct conclusion [SC: B1 for “Yes” oe and 24 km shown if M0 scored] or M1 for a correct method to change 20 kilometres into miles C1 (dep M1) for 12.5 miles and statement with correct conclusion [SC: B1 for “Yes” oe and 12.5 miles shown if M0 scored]