Answer:
2y -10 > 13
Step-by-step explanation:
Answer:
m=8
Step-by-step explanation:
Let x the subject of the equation in x-2y=-10 this make it x=2y-10 substitute this in the first equation. 3(2y-10)-2y=-6 solve for y, y=6. substitute y in any of the original equations to get x x= 2
Answer:
40
Step-by-step explanation:
<h3>6×40⇒240</h3>
Mark is 20. 55 - 15 = 40, 40 / 2 = 20. Mark is 20
