mashejaj

07.06.2020 • 

Mathematics

# of pens cost of box 12- $25
50- $ ?
100- $175

the partially filled chart above shows the costof three sizes of boxes of pens sold by an office supply store. As the number of pens in a box increases, the cost per pen decreases. of the following, which could be the total cost of a box of 50 pens?

$75
$85
$95
$105

Ответ:

lakeithiat1320

17.07.2022

Mathematics

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Correct x = 7

Step by Step Explanation:

Area of a Rectangle: L*W

Rectangle’s Area = 45

(x+3) * 4.5 = 45

(x+3) * 4.5/4.5 = 45/4.5

x+3 = 10
-3 -3

x = 7

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