2x + 5y = -6
-5y -5y
___________
2x = -11y
__ ___
2 2
x = 5.5
40 percent 3/5 equals 60, 5/5 equals 100, 100-60 equals 40 percent
Answer:
no
Step-by-step explanation:
5 books are $2.50, mean that 10 books should only be $4.00 not $4.50. Also making the 15 for $6.00 only $5.50. All because 5 books would be $2.50.