please help me! if correct will mark brainliest

Answer:
17.5
Step-by-step explanation:
formula:
y=k(x)
direct variation^^^
y=7, x=2
substitute it in the formula
7=(k)2 or 7=2k
7/2 or 3.5= k, k is the constant
now substitute k to the problem
y=5k
y=5(3.5)
y=17.5