Foundation January 2020 Paper 1 Q10
10
(a) Write the ratio 32 : 80 in its simplest form. (2)
There are only red counters and blue counters in a bag.
In the bag
the number of red counters : the number of blue counters = 5 : 7
(b) What fraction of the counters in the bag are red? (1)
| Scheme | Marks |
|---|---|
| 16 : 40 or 8 : 20 or 4 : 10 | M1 |
| 2 : 5 | A1 |
| (2) |
Notes
M1: for any correct cancelling or 5 : 2
A1: cao
| Scheme | Marks |
|---|---|
| \(\dfrac{5}{12}\) | B1 |
| (1) | |
| (3 marks) |