exam Maths Puzzle Numerical Ability

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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?

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Brazil nuts sell for $5 per pound and walnuts are sell for 3.50 per pound. How much of each type of nut would be needed to create 30 pounds of a mixture that would sell for $4 per pound?