hfrench5130

28.11.2020 • 

Mathematics

Cardinals jerseys come in three different sizes, medium, large and extra large. A medium is x dollars, a large is $9 more than the medium and the extra large is $15 more than the medium. On gameday, a store sold 9 large jerseys and 4 extra large jerseys for a total of $414 in sales, what is the cost of a medium jersey?

Ответ:

joannachavez12345

10.02.2022

Mathematics

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MEDIUM JERSEY =$21

Step-by-step explanation:

MEDIUM=$X ,LARGE =$X+9, EX LARGE=$X+15

9(X+9)+4(X+15)=414

9X+81+4X+60=414

13X=414-141

13X=273

X=21

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Ответ:

eggg65

26.02.2020

Mathematics

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3x-y=-18x+y=2hence, x=-4, y=6.

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