Answer :
Answer:
[tex]\huge\boxed{k=0.6}[/tex]
Step-by-step explanation:
As we know that y=42 when x=70 we can substitute them into the equation y=kx, giving us 42=70k. From here, we can rearrange the equation to make k the subject, this can be done by dividing 42 by 70, giving us 0.6 to 1 decimal place.
1) Substitute into the equation.
[tex]42=70k[/tex]
2) Rearrange for k.
[tex]k=\frac{42}{70}[/tex]
3) Calculate value.
[tex]k=0.6[/tex]
