I've had a problem similar to this before. He should start out with 0 flowers. He would have 2 flowers at the first one, so he would put one on the first grave then have one for the second. When he gets to the second, he puts down one flower and the last flower on the 3rd grave.
Answer:
Step-by-step explanation:
add each number together
each of them should equal 88
then divide it by how many numbers there are. So it's 8.
this equals 11
We need the length, the width and the height