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Mathematics, 04.08.2019 05:00 ericamoody14

When tina increased her number of marbles by half and sam decreases his number of marbles by half, both of them will have y marbles each. find their total number of marbles at first in terms of y. pls list out all steps.

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When tina increased her number of marbles by half and sam decreases his number of marbles by half, b...
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