Answer:
b, a, d (in that order)
Explanation:
#1: since apples and bananas are each $0.40, to get the total cost, you would add the number of each and then multiply by 0.4.
#2. The ratio of heads of lettuce to guests should be the same. Therefore,
.
#3. We can distribute to get
, which simplifies to
![3x+32=56](https://img.qammunity.org/2022/formulas/mathematics/high-school/ilcg9c7bckc8udh71iuy4f6u8tnhh7lygn.png)