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2 March, 11:49

rod is hosting a dinner for all his friends in Edmonton. he has hired a company to cater for him, charging $150 plus $13 for every person that attends. (A) determine how much it will cost if 18 of his friends attended the dinner. (B) if it costs $579 to cater the dinner, how many of rod's friends are attending?

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  1. 2 March, 14:43
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    1. $384

    2. 33 friends

    Step-by-step explanation:

    case 1:

    150 + 13*18

    150 + 234

    = $384

    case 2:

    150 + 13x = 579

    13x = 579-150

    13x = 429

    x = 429/13

    x=33
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