Question

2. A stack of CDs and DVDs includes 25 CDs of thickness 0.152 cm each and 15 DVDs of thickness 0.152 cm each. Find the total thickness of the stack.


Ans.
Thickness of each CD=0.152cm
Thickness of 25 CDs=25multiply by 0.152cm=3.8

Thickness of each DVD=0.152
Thickness of 15 DVDs=15multiply by0.152cm=2.28

:·Thickness of stack
=3.8+2.28
=6.08


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Answer 1

Answer:

5.612

Step-by-step explanation:

thickness of each CD=0.152cm

thickness of 25CDs=25×0.152=3.566

thickness of a DVD=0.152

thickness of 15 DVDs=2.566=5.612