Answer:
Sasha used 15 pieces of pineapple
Explanation:
The complete question is
Sasha made a small pizza with four pieces of ham and five pieces of pineapple. He is making a large pizza with 12 pieces of ham using the same proportion of pineapple ham. How many pieces of pineapple did Sasha use?
Let
x ----> pieces of ham
y ----> pieces of pineapple
we know that
----> equation A
For x=12
substitute in the equation A and solve for y


therefore
Sasha used 15 pieces of pineapple