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8 August, 15:35

Eric invited 200 of his friends to his graduation party. 75% of those invited said yes. 15% said no. The rest said maybe. 10% of those that said yes did not turn-up. Half of those that said maybe managed to attend anyway. How many friends attended the party?

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  1. 8 August, 15:50
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    145

    Step-by-step explanation:

    75% of 200 = 150

    75% + 15% = 90%

    100% - 90% = 10%

    10% of 200 = 20

    10% of 150 = 15

    150 + 15 - 20 = 145

    145 friends attended the party.
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