parrot12 parrot12

13-11-2016
Mathematics

contestada

lanika needs a sheet of card that is at least 3/10 mm thick.

At home she finds some card but she doesn't know how thick it is.
lanika finds out that there are 45 sheets of card with a total thickness of 14mm

is the card thick enough for lanika to use

show how you decide

Respuesta :

Aliwohaish12 Aliwohaish12

13-11-2016

Each sheet is 14/45 mm, that works out to be 0.31mm, so yes it's thick enough.

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