The number is assumed to be x
x of 40% = 56
x * (40/100) = 56
x = 5600 / 40
x = 140
27x - 144 + 15 = 6x - 24
27x - 129 = 6x - 24
+129 +129
--------- --------
0 105
27x = 6x + 105
-6x -6x
----- ------
21x 0
21x = 105
21x/21 = 105/21
x = 5
Remove brackets
Gather like terms
Get rid of the lone number
Transfer
Divide
Hope this helps :)
48 of the 1/4 foot pieces can be cut from a 12 foot board.
Answer:48
Answer:
The price of the computer before the discount was $1440.
Step-by-step explanation:
Multiply 1,200 by 20 percent to get 240.
1,200x20%=240
Then, add 240 to the discounted price of 1200 to get the original price of $1440.
