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Mathematics, 14.12.2021 04:10 starlightmoon213

7. The population of Lorne Akins is 485. 30% are grade 7's, 30% are grade 8's. How many grade 9's are at Lorne Akins?

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7. The population of Lorne Akins is 485. 30% are grade 7's, 30% are grade 8's. How many grade 9's ar...
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