exam Maths Puzzle Numerical Ability

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.

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Solve the Inequality. Graph the solution set and write the solution set in the interval notiation. --> (a+5)(a-5)(a-7)>0 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