Answer:
see explanation
Step-by-step explanation:
product means to multiply, hence the product of 12 and k is
12 × k = 12k ( this is 84 means equal to 84 ), that is
12k = 84 ( divide both sides by 12 )
k = 7 ← is the solution
If 360 is 2/3 of the full price on a saw then your equation should look like this:

x is your unknown full price of the saw. Just solve for x now.

This means that the full price is $540.
Hope this helps!
Basically you canceling out and your answer is R= 1/2