X²+Y²=250 and XY=117
What are the values of X and Y?

           x = -9,  y = -13    or    x = 13,   y = 9    or    x = -13,  y = -9    or     x = 9,   y = 13

Step-by-step explanation:

On monday,mrs.wise bought 3 lbs of apples at $4per lb= 4*3=$12on tuesday ,20%off and she buy 5 lbs of apples = $4-20%=3.20*5lb=$16example: other wise when she buy 5lbs on monday she have to spend 4*5=20