A gardener plants 150 seeds. Every seed is either a carrot seed, a pea seed, a bean seed, or a radish seed.
30% of the seeds are carrot seeds.
25\displaystyle \frac{2}{5}52 of the seeds are pea seeds.
The ratio of bean seeds to radish seeds is 2:7 2:7\,2:7
Work out the number of radish seeds the gardener plants.
