exam Maths Puzzle Numerical Ability

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?

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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? Janin deposits $2400 in a bank with 25% reserve requirement.

1. Find the total amount of extra money created through five levels of the multiplier effect.

2. Find the maximu