30 children are going on a school trip
it costs £5 including lunch
some children take t...
Mathematics, 09.12.2019 05:31 lailalorinda
30 children are going on a school trip
it costs £5 including lunch
some children take their own packed lunch
they only pay £3
the 30 children pay a total of £110
how many children are taking their own packed lunch
Answers: 2
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