Mathematics, 12.07.2021 15:20 gleatons429
Jessy pastes stamps for 160 envelopes in 2 hours. If she pastes the stamps at the same rate, for how many envelopes can she paste stamps in 30 minutes ?
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Jessy pastes stamps for 160 envelopes in 2 hours. If she pastes the stamps at the same rate, for how...
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