Hey there!
To find the unit rate of cost per can, first set up this proportion where x is the cost for 1 can:
5.4/24=x/1
Now, cross multiply:
5.4*1=24*x
5.4=24x
Now, divide both sides by 2.4 to solve for x and you get x=0.225
However, since this value is representing the cost, round to the nearest hundredth to get 0.23.
Therefore, your answer is, the unit rate for cost per can would be 0.23/1 or 0.23 dollars per can.
:)