Multiply 1st equation by 5
-5x + 10y = -20
now you have
-5x + 10y = -20
5x - 10y = 20
---------------------add
0 + 0 = 0
0 = 0
answer
C. the system has infinitely many solutions
Answer:
I'm pretty sure the answers are A and C but B could possibly be an answer too
hope this helped
Answer: 20 I think
Step-by-step explanation:
20% is equal to .2 if 1 is the whole.
You would multiply the original cost, d, by .2 to get an answer.
Therefore, the expression is: 0.2d
