Respuesta :

TheSmartOne20
The correct answer is C.) 0.4
AL2006
"Varies directly" means y=kx and k is a number. You said that y is 4 when x is 10. So 4=10k, and k is 0.4. y is always 0.4 of x. Ergo, when x is 1, y is 0.4 .