Candace purchased 6 gallons of gas for $13.56. What is the constant of proportionality that relates the cost in dollars, y, to the number of gallons, x?
Responses
A $0.44$0.44
B $2.26$2.26
C $1.23$1.23
D $3.04
To find the constant of proportionality, we need to divide the cost in dollars by the number of gallons. The cost of 6 gallons of gas is $13.56, so we divide $13.56 by 6 to find the constant of proportionality:
$13.56 / 6 = 2.26$
Therefore, the constant of proportionality is $2.26$. Answer: \boxed{\text{(B)}\ $2.26}.