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Minchanka [31]
3 years ago
14

BRAINLIEST PLS HELP ASAP LINEAR EQUATIONS

Mathematics
1 answer:
Musya8 [376]3 years ago
7 0

Answer:

first one

Step-by-step explanation:

Tracey bought 10 movies

some cost 13 and the others 16

Let x be the movies that cost 13 and y ones that cost 16

we can state that

  • x+y = 10

since Tracey both ten

  • 13x+ 16y = 139

since the total price is 139

so the system is :

\left \{ {{13x+16y=139} \atop {x+y=10}} \right.

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How do i do this question<br> linked below
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