Respuesta :
Answer:
[tex]x=20[/tex]
Step-by-step explanation:
we have
[tex]\frac{x}{10}=\frac{7}{3.5}[/tex]
we know that
To solve the proportion multiply in cross and solve for x
so
[tex]x(3.5)=7(10)\\3.5x=70[/tex]
Divide by 3.5 both sides
[tex]x=20[/tex]
Answer: 21
explanation: I took the quiz and I got right.