_121_ R7 or 121 7/13
13)1580
13
28
26
20
13
7
X = sonias dvds
37 = 4x - 3
+3 +3
40 = 4x
10 = x
<span>sonia has 10 dvds</span>
the answer is 44.75 I would explain but ehhhhhhhhhh
Nine hundred thirteenths if this is a decimal
Answer:
2 gallons of pure alcohol
Step-by-step explanation:
Let x represent the number of gallons of pure alcohol needed, and create an equation:
4(0.25) + x(1) = (x + 4)0.5
1 + x = 0.5x + 2
x = 0.5x + 1
0.5x = 1
x = 2
So, 2 gallons of pure alcohol should be added.