We can make an equation that would help this. X will be the discount rate.
4x=3.60
Now, we need to solve the equation to find what X is.
Let's divide each side by 4.
x=.9
So, we know that the item was sold for 90% of what it was before, meaning that it has a 10% discount.
Answer:
change to improper fraction
24/5 × 20/6=16 (you cross multiply)
I believe the answer is 0.5