Answer:
y = 
Step-by-step explanation:
given that y varies inversely with x then the equation relating them is
y =
← k is the constant of variation
To find k use the condition x = 2 when y = 11
k = yx = 11 × 2 = 22
y =
← equation of variation
Simplified answer is: 7xy+4tx
Answer:
The original number is 17.
Step-by-step explanation:

2 feet
Step-by-step explanation:
4+4= 8
12-8=4
4 divided by 2= 2 feet :)