In a library, there are 6 books each of thickness 30mm and 6 paper sheets each of thickness 0.018mm. What is the total thickness?

Question

Philoid · Accepted Answer

Thickness of one book = 30mmThickness of 6 books = 30 × 6 = 18mm -------(1)Thickness of one paper = 0.018Thickness of 6 papers = 6 × 0.018 = 0.108 ----(2)+ (2) 18 + 0.108 = 18.108 mmTotal thickness = 18.108 mm