Respuesta :

bts22

Step-by-step explanation:

a.

[tex]y = kx \\ 21 = k \times 3 \\ 21 \div 3 = \frac{(k \times 3)}{3} \\ 7 = k[/tex]

b.

[tex]y = kx \\ 24 = k \times 4 \\ \frac{24}{4} = \frac{(k \times 4)}{4} \\ 6 = k[/tex]

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