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Mathematics, 21.06.2019 18:00
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Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?
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Use a number line to explain why --15 ÷ 3 =-15...
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