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kelly3215
27.07.2020 •
Mathematics
Select the correct answer. Sarah wants to print copies of her artwork. At the local print shop, it costs her $1 to make 5 copies and $5 to make 25 copies. How much would it cost Sarah to make 100 copies? A. $15 B. $20 C. $25 D. $30
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Ответ:
$1 = 5copies means
$5 = 25 copies obviously
then
$x = 100 copies
100 / 5 = $x
so she needs
$20
Ответ:
B
Explanation:
$1 -> 5 copies, it's 20 cents per copy because $1 / 5 = 0.2
$5 -> 25 copies, it's 20 cents per copy because $5 / 25 = 0.2
So 100 copies * 20 cents = $20
Ответ:
9m²/3m=3m
4m/3m=4/3
6/3m=2/m
3m-4/3-2/m
Hope i helped !!!