<u>b = 1/6 r w</u>
Multiply each side by 6 : 6b = r w
Divide each side by 'w' : <em>6b / w = r
</em>
Answer:
$186.2
Step-by-step explanation:
38 kg costs $144.40
∴ 1 kg costs =
= $3.8
49 kg costs = 3.8 x 49
= $186.2
Set up the problem like this: x - 4 + 8 = 44
x-4+8=44 (8-4)
x+4=44
-4 -4 (subtract 4 from both sides)
x=40
Answer: the number is 40.