please help asap this is due in 10 minutes.

Answer:
c) 30%
Step-by-step explanation:
By dividing 20 up into 10, we get 2. Therefore, 10% of 20 is 2.
The price went from $20 to $14, a decrease of $6. Since 10% = $2, 30% would be $6.
So it was decreased by 30%