Postage costs are $.22 for the 1st ounce and $.70 for each additional ounce what is the cost of postage for letter weighing 3 ounces

Question

Postage costs are $.22 for the 1st ounce and $.70 for each additional ounce what is the cost of postage for letter weighing 3 ounces

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Xavia 4 years 2021-08-11T11:51:02+00:00 1 Answers 12 views 0

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  1. Thunguyet
    -1
    2021-08-11T11:52:48+00:00
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    Answer:

    The cost of the postage for the letter weighing 3 ounces will be $1.62

    Step-by-step explanation:

    From the question, we know that the first ounce will cost $0.22 and any additional ounces will cost $0.70, therefore, we can make the following equation where “c” is the total cost of the postage and “a” will be the total weight of the letter in ounces.

    c = 0.22 + (0.70)(a – 1)

    (we subtract 1 from “a” because for the first ounce we will pay $0.22 instead of $0.70)

    Now we just solve the equation by substituting “a” with 3, and we get…

    c = 0.22 + (0.70)(a – 1)

    c = 0.22 + (0.70)(3 – 1)

    c = 0.22 + (0.70)(2)

    c = 0.22 + 1.40

    c = $1.62

    Therefore, the cost of the postage for the letter weighing 3 ounces will be $1.62.

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