The price to mail a letter at the post office is $0.35 for the first ounce and $0.17 for each additional ounce. Amrit paid $2.05 to mail his

Question

The price to mail a letter at the post office is $0.35 for the first ounce and $0.17 for each additional ounce. Amrit paid $2.05 to mail his letter. How much did the letter weigh?

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Thiên Hương 5 years 2021-07-21T23:44:45+00:00 1 Answers 22 views 0

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  1. Helga
    0
    2021-07-21T23:45:52+00:00
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    As we know the first ounce cost $0.35, we can subtract that from $2.05.

    Therefore, $2.05 – $0.35 = $1.70

    We can then divide the remaining amount of money by $0.17 to find out how many more ounces the letter weighed.

    $1.70/$0.17 = 10

    Once we add the ounce before that costed $0.35 to the 10 ounces that we just calculated, we know that Amrit’s letter cost 11 ounces.

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