exam Maths Puzzle Numerical Ability

A real estate agent is paid a commission of one and three-quarter percent of the total value of the houses which she sells each month. How much does she earn in a month when she se

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exam Other Question

Two planes are 2100 miles apart and traveling towards each other. One plane is traveling 80 mi/hr. faster than the other plane. The planes meet in 2.5 hr. Find the speed of the slower plane. Solve by any method: First of what are all the methods?

-4x + 3y = 2
5x - 2y = -3