Ibrahim has some building blocks that are all cubes of the same size. He uses three of the blocks to make a pile with a height of 43.5 cm. Then he makes a row with five of the blocks with no gaps. Work out the length of the row of five blocks

Answer:
72.5
Step-by-step explanation:
one block = 43.5 / 3 = 14.5
five blocks = 5 * 14.5 = 72.5 (ans)