Numeracy Foundation November 2019 Unit 1 Q9
9. Emily has drawn a conversion graph, as shown below.
She uses it to help her brother understand how to convert knots to miles per hour.

Complete each of the following statements.
(a) 23 miles per hour is equal to …………………… knots. [1]
(b) 5 knots is equal to …………………… miles per hour. [2]
| Scheme | Marks | Comments |
|---|---|---|
| 20 (knots) | B1 |
| Scheme | Marks | Comments |
|---|---|---|
| 2.3(0) + 2.3(0) + 1.15 or 2.30 + 3.45 or 2 × 2.875 or 5 × 1.15 or equivalent | M1 | Any correct method |
| 5.75 (miles per hour) | A1 | ISW |