<span>-28x²-12x = -4x(7x+3) the first one is answer</span>
Answer:
3.37
Step-by-step explanation:
I am not very sure but this would be the answer.
Answer:
1) The discount is $4.05
The sale price is $18.45
2) The discount is $10
The sale price is $30
3) The discount is $2.6
The sale price is $23.4
Step-by-step explanation:
1) What is the discount and sale price for a haircut that originally cost $22.50 with an 18% discount.
Actual Price= $22.50
Discount = 18%
Finding discount:
![18\%\:of\:22.50\\=\frac{18}{100}\times 22.50\\=4.05](https://tex.z-dn.net/?f=18%5C%25%5C%3Aof%5C%3A22.50%5C%5C%3D%5Cfrac%7B18%7D%7B100%7D%5Ctimes%2022.50%5C%5C%3D4.05)
So, the discount is $4.05
Finding Sale Price
The sale price can be found by: ![Sale\;Price=Actual\:Price-Discount](https://tex.z-dn.net/?f=Sale%5C%3BPrice%3DActual%5C%3APrice-Discount)
Putting values and finding sale price:
![Sale\:Price=22.50-4.05\\Sale\:Price=18.45](https://tex.z-dn.net/?f=Sale%5C%3APrice%3D22.50-4.05%5C%5CSale%5C%3APrice%3D18.45)
The sale price is $18.45
2) What is the discount and sale price for a sweatshirt that originally priced $40.00 with an 25% discount.
Actual Price= $40.00
Discount = 25%
Finding discount:
![25\%\:of\:40.00\\=\frac{25}{100}\times 40.00\\=10](https://tex.z-dn.net/?f=25%5C%25%5C%3Aof%5C%3A40.00%5C%5C%3D%5Cfrac%7B25%7D%7B100%7D%5Ctimes%2040.00%5C%5C%3D10)
So, the discount is $10
Finding Sale Price
The sale price can be found by: ![Sale\;Price=Actual\:Price-Discount](https://tex.z-dn.net/?f=Sale%5C%3BPrice%3DActual%5C%3APrice-Discount)
Putting values and finding sale price:
![Sale\:Price=40.00-10\\Sale\:Price=30](https://tex.z-dn.net/?f=Sale%5C%3APrice%3D40.00-10%5C%5CSale%5C%3APrice%3D30)
The sale price is $30
2) What is the discount and sale price for a large pizza that originally cost $26.00 with an 10% discount.
Actual Price= $26.00
Discount = 10%
Finding discount:
![10\%\:of\:26.00\\=\frac{10}{100}\times 26.00\\=2.6](https://tex.z-dn.net/?f=10%5C%25%5C%3Aof%5C%3A26.00%5C%5C%3D%5Cfrac%7B10%7D%7B100%7D%5Ctimes%2026.00%5C%5C%3D2.6)
So, the discount is $2.6
Finding Sale Price
The sale price can be found by: ![Sale\;Price=Actual\:Price-Discount](https://tex.z-dn.net/?f=Sale%5C%3BPrice%3DActual%5C%3APrice-Discount)
Putting values and finding sale price:
![Sale\:Price=26.00-2.6\\Sale\:Price=23.4](https://tex.z-dn.net/?f=Sale%5C%3APrice%3D26.00-2.6%5C%5CSale%5C%3APrice%3D23.4)
The sale price is $23.4
8x2= 16
16 shoes are there for 8 students