It took about 0.66 hour, which is basically 40 minutes.
Answer:
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Step-by-step explanation:
-3x + 7y = -16 . . . (1)
-9x + 5y = 16 . . . .(2)
(1) x 3 => -9x + 21y = -48 . . . (3)
(2) - (3) => -16y = 64 . . . (4)
Required equivalent system of equations is
-9x + 5y = 16
-16y = 64
Answer:
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Step-by-step explanation:
Since both values are positive, it is in quadrant 1