Math

Jason earns 30 cents for every carrot he sells. He earns an extra $3 for every 30 carrots he sells. How many carrots must he sell in order to earn $550?

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  1. n carrots

    550 = .3 n + 3(n/30)
    550 = .4n
    n = 1375
    but does he really get that last 3?
    he must sell at least an exact multiple of 30 to get that last bonus
    1375/30 = 45.83333 :(
    so sell 46*30 = 1380
    1380 * .30 = 414
    + 46*3 = 414 + 138 = 552

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    posted by Damon
  2. What is .4 n

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