30 children are going on a trip.
It costs £5 including lunch.
Some children take their own packed lunch.
They pay only £3
The 30 children pay a total of £110
I
How many children are taking their own packed lunch?
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Answer:
20 children are taking their own packed lunch.
Step-by-step explanation:
110 total
=110-60
=£50/10=£5
=60/20=£3
=10 children pay £5 =£50
=20 children take their own packed lunch and pay £3=£60
=£60+£50=£110
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