Answer:
$600 is the sales price
Step-by-step explanation:
First, multiply the original price with the numerator
900 x 2 = 1800
Next, divide the number gotten by 3
1800/3 = 600
$600 is your answer
~
B, is the only solution where x=0 isn’t the answer because 2.5x+3=x and if u subtract the 2.5x you get 3= -1.5x and if you divide 3 by -1.5 it won’t be x=0
3y - y + 8 - 2 = 20
3y - y = 2y
8 - 2 = 6
2y + 6 = 20
2y = 20 - 6
y = 10 - 3
the answer is: y = 7