Tom has 6 blue discs and 12 red discs in his pocket. How many discs does he need to take out of his pocket to make sure he has a
1 answer:
You might be interested in
In this case we can propose a rule of three:
$ 18 ---------------> 100%
x --------------------> 25%
Where x represents the discount made to the pillow:
So we have the new price (with the discount) is:
In addition, if 25% is discounted we have to, the price of the pillow is 75% of the original price. That is to say:
Answer:
Option A
Option D