For this case we have the following system of equations:

Equating the values of y we have:

From here, we can clear the value of x.
We have then:

Then, we look for the value of y.
For this, we substitute x in any of the equations:
Answer:
The ordered pair solution of the system of equations, is given by:
Answer:
63
Step-by-step explanation:
Because 30 percent of 90 equals 27
Thus
90 - 27 = 63.
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Answer:
2
Step-by-step explanation:
• + • = ••
1 + 1 = 2
Answer:
402 seconds
Step-by-step explanation: