Answer: 5.43
Step-by-step explanation:
So you are trying to find out how many pounds of strawberries they bought. First, you have to change the number 265 into a decimal, which would be 2.65, so then you would ave to add 2.78 + 2.65, and adding them up will give you 5.43.
So, your answer would be:
They bought 5.43 pounds of strawberries.