Answer:
6 1/2
Step-by-step explanation:
If you write the fractions you get, 2 1/4 + 4 1/4. You first add the whole numbers and get 6, you then add the two 1/4's and get 2/4 which simplifies into 1/2.
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
Factoring yields: (x-5)(x-8) = 0
x-5 = 0 x = 5
x-8 = 0 x = 8