Math Question:

Test Preparation SAT Preparation
1

<p>I really have no idea how to answer those kind of questions
Batteries of a certain type and size are sold in 3 different size packages: Packages containing 2 batteries, packages containing 4 batteries and packages containing 10 batteries. How many different combinations of whole packages contain a total of 12 batteries?
A) 2
B) 3
C) 4
D) 5
E) 6</p>

<p>Thanks! :)</p>

2

<p>D) 5</p>

<p>10,2
2,2,2,2,2,2
4,2,2,2,2
4,4,2,2
4,4,4</p>

3

<p>Thats how I did it, but I thought there was another way of solving. :slight_smile: thanks.</p>

4

<p>Just use common sense, you only need something systematic if the question’s much more complex, and even then you’ll have to use common sense and logic to attack the problem</p>