The ratio of tomatoes to red apples is 2:5. If there are 20 tomaoes in the garden, how many red apples are there?

let there be x red apples.Tomato:red apple=2:5 20 tomatoes are there. So$$ \frac{20}{x}=\frac{2}{5}or\:x=\frac{20}{2}\times5=50 $$ Hence there are 50 red apples