A stack of 50 cards is 1.9 cm thick. All cards in the stack have
the same thickness. How thick is one card? Show your work.

Respuesta :

The thickness one card  will have is 0.038cm

  • We were told that there were 50 card's stacks, and it's 1.9cm thick. Then to get thickness of just a single card from the stack of card, we will need to divide the thickness of the whole stack of cards by the number of cards in stack.

This can be simply expressed as:

  • Thickness of one stack = ( Total thickness of the cards in the stack / The number of cards present in the stacks) 
  • let x be the thickness of one card

if [tex]50 cards = 1.9cm[/tex]

[tex]1 card = X cm[/tex]

cross multiply

  • (50 × X) = 1.9

  • X=[tex]\frac{1.9}{50}[/tex]   cm

  • = 0.038cm

Therefore, one card will have 0.038cm in

thickness

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