Question
Adam has 140 cm of string.
He uses 120 cm of string.
He cuts the remaining string into length of 4 cm each.
How many 4-cm pieces of strings are there?
4 m

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Adam has 140 cm of string.
He uses 120 cm of string.
He cuts the remaining string into length of 4 cm each.
How many 4-cm pieces of strings are there?