Question
Adam has 210 cm of wire.
He uses 190 cm of wire.
He cuts the remaining wire into length of 10 cm each.
How many 10-cm pieces of wires are there?
4 m

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Adam has 210 cm of wire.
He uses 190 cm of wire.
He cuts the remaining wire into length of 10 cm each.
How many 10-cm pieces of wires are there?