Mathematics, 21.09.2019 23:50 brennarfa

In a certain country, a letter up to 1 ounce requires postage in the amount of $0.42, and each additional ounce (or fraction of an ounce) has an additional cost. the function below represents the cost of mailing one letter in this country.
f(c)=0.42 + 0.20[x-1]
josiah has two letters. the first weighs 2.9 ounces, and the second weighs 4.1 ounces. what is the total amount josiah can expect to pay for postage?
$1.62
$1.64
$1.84

Answers: 2

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In a certain country, a letter up to 1 ounce requires postage in the amount of $0.42, and each addit...