exam Maths Puzzle Numerical Ability

The Speed of a B&M freight train is 14 mph slower than the speed of an Amtrak passenger train. The freight train travels 330 mi in the same time it takes the passenger train to travel 400 mi. Find the speed of each train.

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exam Other Question

I am trying to come up with a answer to this equation?

2.7 + 0.8n = 4

35. solve each systems of equations algebraically


x+8y=0
-x+y=-9