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
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