Math help! Please answer

Question

Brain put 48 pounds of peanut into small bags that could hold 1/4 pound each. How many of these small bags could be fill if he used all the peanuts.

A.192

B.52

C.44

D.12

E. Not here

Answer 1

Given: 48 lbs. 0.25 lb per bag

Find: Number of bags needed

There are two ways to answer this. The "railroad method" is the best way because it can be used for simple questions like this all the way up to complex engineering problems.

You can also simply reason through the problem and perform a simple calculation.

Railroad Method

1/4 lb/bag can be written as a single fraction

Rewrite as fractions

1 lb. 48 lb

---------- --------

4 bags 1

Rearrange so the units cancel

4 bags 48 lb

----------- × --------

1 lb 1

Mmultiply across and cancel units

4 bags 48 lb 192 bags

----------- × -------- = -------------- = 192 bags

1 lb 1 1

Answer 2

You need 4 of these quarter pound bags per pound of peanuts.

4 Bags/Pound * 48 Pounds = 192 Bags