PLEASE HELP (answer only if you now)

Answer:
y = 30
Step-by-step explanation:
If y varies directly with x, then you can make a ratio:
24/8
Simplify the ratio:
3/1
Y is always the first number/ on top in a ratio, that's where I get 24 over 8
3/1 means that y is triple x
so 10 * 3 is 30