question_answer

Directions: Solve the word problems based on the operations of numbers. Each piece of cardboard is 0.4 centimetres thick. If Tanveer stacks 7 pieces of cardboard on top of one another, how thick will the stack be?

A) 3                                 

B) 2.8  

C) 2.6                              

D) 47

Correct Answer: B

Solution :

Multiply the thickness of each piece of cardboard by the number of pieces in the stack. The stack will be 2.8 centimetres thick.