Mason used a 30% coupon to buy a new computer. after the discount, the cost of the computer was $728. determine the original price of the computer. show your work.

1040

Step-by-step explanation:

"1x-0.30x=728"

move all terms to the left:

1x-0.30x-(728)=0

add all the numbers together, and all the variables:

0.7x-728=0

move all terms containing x to the left, all other terms to the right:

0.7x=728

x=728/0.7

x=1040

He probably woul have 1,00000000000 dollars

Step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!