15 and the error is on step 3
Reasoning:
I’m not certain how they got 1.5 but you basically divide both sides by two, the 2 would be canceled and you would be left with w, divide 30 by 2 and you get w=15, sorry i suck at explaining
Answer:
X= 12
Y=-3
Step-by-step explanation:
If
1 gallon = $1.40
12.6 gallons = $1.40 × 12.6
Plug those into your calculator and you'll get $17.64!
<span>add a constant to a row right? </span>