The constant of proportionality is 5/9
y= kx where k is the constant of proportionality
y = 5/9 x
k = 5/9
14 because 2 people=13 problems in an hour
91/13=7
7times 2 is 14
14 IS YOUR ANSER PLS MARK ME BRAINLIEST :D
Answer:
the unit rate for miles per gallons = 
Step-by-step explanation:
Let x be the unit rate for miles per gallon.
Given:
Jack drove 43.5 miles. He used 11 gallons of gasoline.
Find the unit rate for miles per gallon?
Jack used 11 gallons of gasoline for 43.5 miles.
11 gallons = 43.5 miles
The unit rate for miles per gallon is
unit rate of gallons = total miles divided by total used gallons of gasoline

Therefore, the unit rate for miles per gallons is 3.95 miles.
Answer: x=6
Step-by-step explanation: move 6 spaces and you get the same vertices
A walrus is brown and lives in the north pole, it kind of has a hump but not nearly as prominent as a camel's hump.