4MA0 Foundation January 2014 Paper 1R Q7
7 The table shows the percentage of the population of Egypt that is in each blood group.
| Blood group | Percentage of population |
|---|---|
| O | 33% |
| A | 36% |
| B | 24% |
| AB | 7% |
(a) Write 36% as a fraction.
Give your fraction in its simplest form. (2)
Give your fraction in its simplest form. (2)
(b) Write 7% as a decimal. (1)
(c) The population of Egypt is 83 million.
Work out 24% of 83 million.
Give your answer correct to the nearest million. (2)
Work out 24% of 83 million.
Give your answer correct to the nearest million. (2)
| Scheme | Marks |
|---|---|
| \(\dfrac{36}{100}\) | M1 |
| \(\dfrac{9}{25}\) | A1 |
| (2) |
Notes
M1: for \(\dfrac{36}{100}\) or \(\dfrac{18}{50}\)
A1: cao
| Scheme | Marks |
|---|---|
| 0.07 | B1 |
| (1) |
Notes
B1: Also accept .07
| Scheme | Marks |
|---|---|
| eg \(\dfrac{24}{100} \times 83\) or \(\dfrac{24}{100} \times 83\,000\,000\) | M1 |
| 20 | A1 |
| (2) | |
| (Total 5 marks) |
Notes
A1: Also accept 19.92, 19.9