Answer:
The original price of the book was $12.50
Step-by-step explanation:
3x - 0.2(3x) + 10 = 40
30x - 2(3x) + 100 = 400
30x - 6x + 100 = 400
24x + 100 = 400
24x = 300
x = 12.50
Answer: I get c, but double check on your end
Step-by-step explanation:
Answer:
12 over 5, or 2.4
Step-by-step explanation:
I plugged it in my graphic calculator.
35x plus 12
you cannot add them since they are not like terms
Answer:
18(x - 3)
Step-by-step explanation:
18x - 54 ← factor out 18 from each term
= 18(x - 3)