I can answer this but I need more terms
Answer:
no solutions
Step-by-step explanation:
10x+2y=42
5x+y=20
Multiply the second equation by -2 to use elimination
-2(5x+y)=20*-2
-10x -2y = -40
Add this to the first equation
10x+2y=42
-10x -2y = -40
--------------------------
0 = 2
This is never true. This means there are no solutions
The correct answer is 3b-2=4
Hope this helps.
You lose 20%.
if it were going up to 72 to 90 it would be a 25% increase
