Mathematics, 07.04.2020 20:26 bankroll42

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 30 to 49 voted is he correct how might sahil with his answer so quickly. Voters 18 to 29 are 10% and voters 30 to 49 are 30%

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