A crate containing 16 bags of powdered milk weighs of 63.2 lbs. The weight of the empty crate is 2.4 lbs. Select all equations that can be solved to find the weight of one bag of powdered milk.
1. 63.2 = 18.4b
2. 63.2 = 2.4 + 16b
3. 60.8 = 16b
4. b = 60.8/16
5. 60.8b = 16

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2, 3 , 4

Step-by-step explanation:

A crate containing 16 bags of powdered milk weighs of 63.2 lbs.

The weight of the empty crate is 2.4 lbs

The weight of the milk by itself is the difference of full and empty crate 63.2 - 2.4 = 60.8

To find  the weight of one bag of powdered milk divide 60.8 by 16 = 3.8 lb

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.