exam Maths Puzzle Numerical Ability

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

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exam Other Question

Given a pair of dice, what is the probability of the event of rolling a sum of 12 on one roll of the dice? formula P( E )= n/s 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.