If you got your 60% discount and opened up the card for an additional 20%, what is the actual % discount you would receive?
1 answer:
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Factor the equation:
set each part of the factorized equation to zero and solve for x the results are your zeros:
x+3 = 0
x = -3
x-8 = 0
x = 8
set each part of the factorized equation to zero and solve for x the results are your zeros:
x+3 = 0
x = -3
x-8 = 0
x = 8
Solving the system of equations, it is found that x = 3, that is, there are 3 128 MB memory sticks.
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We want to solve for x, thus, in the first equation, we write y as a function of x, that is:
Replacing in the second equation:
x = 3, that is, there are 3 128 MB memory sticks.
A similar problem is given at brainly.com/question/24823220