What number should replace the question mark?
12 40 71 51 56
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90 44 22 33 ?
*if you're confused, 12 is above 90. 40 is above 44. 71 is above 22. 51 is above 33. and 56 is above the question mark.
Please provide an answer AND explanation.
When Avril organised a picnic, she brought along melons she thought would be thirst-quenching. They got through half of them, plus half a melon, and were left with one whole melon. How many had Avril provided for the picnic to start with?
Please provide answer AND explanation.