Equations
y = 500 - 30x
y = 130 + 20x
The y values are the same
500 - 30x = 130 + 20x add 30x to both sides.
500 = 130 + 20x + 30x
500 = 130 + 50x Subtract 130 from both sides.
500 - 130 = 50x
370 = 50 x Divide by 50
370/50 = x
x = 7.4 Answer.
For chess: year 8 will have 270 members. For computer lab: year 7 has 270 members.
Hoped this helped!
Answer:
I think the answer is letter C
Point A
Convert fraction into decimal =0.15
7
Step-by-step explanation:
10x-14-12x+3=-25
-2x-14+3=-25
-2x-11=-25
take -2x to the other side
take 25 to the other side
14=2 divide
=7
254,625