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Mathematics, 09.04.2021 18:00 alee885

When Thomas buys four packs of erasers, he knows he has 52 erasers. When he buys 7 eraser packs, he knows he has 91 erasers. What is the constant of proportionality between the numbers of packs and the number of erasers?

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When Thomas buys four packs of erasers, he knows he has 52 erasers. When he buys 7 eraser packs, he...
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