exam Maths Puzzle Numerical Ability

Solve the equation

48. On a train, it took 3/4 hour to travel a distance of 52 1/2 miles. What was the average speed of the train?

Any help with this equation would be Greatly</b> appreciated.

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I need to set up a 3 by 3 system of linear equation and solve for it on the following word problem.

Kathy has $20,000 to invest. She wants to diversify into three types of inve using the formula log, a = log a/log b find log^2 10000 round your answer to the hundreths place and show your work.