exam Maths Puzzle Numerical Ability

how do i solve am expression using the quotient property with a fraction?

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exam Other Question

I have a dusey for you. My teacher cant explaine it so i can understand it. i need to solve this system of equations with elimination:
A: x-2y+3z=4
B: 2x+y-4z=3
C: -3x+4y-z=-2

Much appriecated!!! Science and medicine. Ariana took 2 h longer to drive 360 mi on the first day of a trip than she took to drive 270 mi on the second day. If her speed was the same on both days, what was the driving time each day?