exam Maths Puzzle Numerical Ability

Jane Hooker invests $40,000 received in an inheritance in three parts. With one part, she buys mutual funds that offer a return of 2% per year. The second part, which amounts to

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exam Other Question

Tell how many solutions the linear system has: infinitely many solutions, one solution, or no solution.
x-4y=2
2x-8y=5 Tom Quig traveled 280 miles east of St. Louis. For most of the trip he averaged 60 mph, but for one period of time he was slowed to 10 mph due to a major accident. If the total time of travel was 8 hours, how many miles did he drive at the reduced speed?