Answer:
40.90
Step-by-step explanation:
I do not know what pen is but if it is dollars then....
1.50c + 2.50a = 1100
c + a = 500
multiply the second equation by -1.50
1.50c + 2.50a = 1100
-1.50c - 1.50a = -7.50
Answer:
True
Step-by-step explanation:
If your asking to multiply 9x5 then the anwser is 45.
