20÷10= 2
50÷10= 5
ratio is2:5
Ten times 45 is equal to 450
Answer:
Sheldon have left
of food.
Step-by-step explanation:
Quantity of food =
kg
Quantity used on strawberry plant = 
Quantity used on tomato plant = 
Food left = Total - used on strawberry - used on tomato
Food left = 
Food left = 
Food left = 
Therefore,
Sheldon have left
of food.
I believe the correct answer is 3×13^4+2×15^4=total area