Respuesta :

adioabiola

Answer:

y = 10 when x = 9

Step-by-step explanation:

y = k/x

Where,

k = constant of proportionalty

Find k when x = 6 when y = 15

y = k/x

15 = k/6

Cross product

15 * 6 = k

k = 90

what does y equal when x = 9?

y = k/x

= 90/9

y = 10

y = 10 when x = 9

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