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Mathematics, 23.09.2019 16:30 vso227
Amy, siti and tina have a total of 630 story books. tina has 50 books more than amy, amy has 70 books more than siti. how many story books does tina have?
pl show working out
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Amy, siti and tina have a total of 630 story books. tina has 50 books more than amy, amy has 70 book...
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