You can break this into a compound figure or take the easier route by finding the area of a parallelogram. To do this, add the two bottom numbers to find the length of the base and multiply by the height to get 9.52
Answer:
20g onions at 50 carrotsat 2tablespoon oil at 30 tomatos 1l vegtable stock
The answer is 18 .
All you have to do is swich the numbers