X=2 and y=152 because 15x-2=9x+10
Answer:
is this correct
Step-by-step explanation:
(c+b)=d/a
c=d/a -b
Answer:
28$
Step-by-step explanation:
The normal price of backpack is: 40$
As mentioned in the question, store is offering 30% off sale.
To calculate 30% of the original price (that is 40$), we do
Off price = (Off price percentage)/100 * normal price
=> 
=> 12
The sale price of backpack would be: Normal price - Off price
=> 40 -12
=> 28