exam Maths Puzzle Numerical Ability

Solve by elimination:

2x+3y=21
5x-2y=-14

Read Solution (Total 0)

exam Other Question

A rope was cut into two pieces so that one piece was 18 m longer than the other. That piece was also three times as long as the other. How long was each piece and how long was th Factor completely. If it is prime, say so.

x^2+40x+400