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16 September, 02:23

Cookies are on sale! Today each cookie costs 0.75 less than the normal price. Right now it you buy 7 of them it will only cost you 2.80! Write an equation to determine the normal price of each cookie.

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Answers (2)
  1. 16 September, 03:31
    0
    Step-by-step explanation:

    Let x represent the normal price of each cookie.

    Today each cookie costs 0.75 less than the normal price. This means that the price of buying one cookie today would be

    x - 0.75

    Right now it you buy 7 of them it will only cost you 2.80. Therefore, the equation to determine the normal price of each cookie would be expressed as

    7 (x - 0.75) = 2.80

    Expanding the brackets, it becomes

    7x - 5.25 = 2.8

    7x = 2.8 + 5.25

    7x = 8.05
  2. 16 September, 03:58
    0
    Divide both sides of equation by seven $.75 equals $2.80/7 and $.75 to both sides of the equation 40+75 equals $1. and $.15
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