Respuesta :

y/x = 5/48/x = 5/45x = 32x = 6.4

Sorry if this doesnt help
choixongdong
y = kx
k = y / x = 5/4 = 1.25
so
y =8 then
8 = 1.25 x
x = 8/ 1.25  = 6.4

answer
x = 6.4 when y = 8

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