Problema Solution
Machinist has a flat metal plate that is 8cm thick. He laminates the metal plate with layers that are 3cm, 4cm, and 5cm thick. He then grinds off 3cm from the top. find the new thickness of the plate.
Answer provided by our tutors
8 cm + 3 + 4 + 5 = 20
20 - 3 cm shaved off = 17 cm