Answer:
Presumably the "others time" is the quantity [tex]a[/tex], which is 28.81
Step-by-step explanation:
Let's solve for [tex]a[/tex] from
[tex]38.4-a=9.59[/tex]
Adding [tex]a[/tex] gives
[tex]a+9.59=38.4[/tex]
Then subtracting 9.59 gives
[tex]a=38.4-9.59=28.81[/tex]
