Answer:
500/25 = 100/y
100/5 = 100/y
20 = 100/Y
200/1 = 100/Y
By cross multiplication
200 × Y = 100 × 1
Y = 100 /200
Y = 1/2
Kaylee drove 50 miles an hour for 3 hours. How far did she drive?
2 answers:
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Step-by-step explanation:
X-2y=5 ; 2x-4y=10
• x - 2y = 5 • 2x -4y = 10
-2y = -x+5 -4y= -2x +10
y1 = ½x - 5/2 y2 = ½x -5/2
• => y1 = y2
½x -5/2 = ½x -5/2
the systems have no solution
• graph as attached
