Answer: 72%
Step-by-step explanation:
Set Jamal's original ring price = x
Jamal's original ring price = $3300
Set Naomi's discount = y
Naomi's discount is 0.72 = 72%
If she has 10/12 and uses 8/12 then you just subtract.
Since the denominators are the same you just subtract 10-8 and get 2
the denominator is the same for your answers and so it is
2/12
Answer: $393
Step-by-step explanation: (34’+ 30’+67’) x $3.00 = 131 x 3.00 = 393