Question

Alison saved 15% on the cost of her computer software, which was $355. How much did Alison save?

Answer 1

15%= 15/100
100%= 100/100
We want 15 percent or 15/100 of the price
The price is 100/100
Divide 100/100 = 1 by 100 to get 1/100
Then Multiply by 15 to get 15/100
Our real price of computer software is P.
15 percent of P is
15P/100

Answer 2

what does 'p' stand for?

Answer 3

P is the real price of the computer software. Instead of a number you can use a letter of an alphabet to be a placeholder in your equations. Sort of like a box. You can put stuff in a box, then carry the box around. While carrying the box you are carrying the stuff inside the box. Our letter of the alphabet - the variable - is "P". The stuff inside the box is the real price of the computer: $355. Replace P with 355 in the end after manipulating the equation to suit your needs. That was basic, basic Algebra. If you are not a middle schooler you don't need to know what Algebra is. By Highschool you need to know Algebra if you want to be average smart level.