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

Question

19 October, 23:36

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Answers (1)

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Ada Russell · Answer 1

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

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 14mmis the card thick enough for lanika to useshow how you decide