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SAT Math Question Help?
I don't know how to do a math question like this, which appears on the SAT a lot. Please walk me through how to do this or ways to do something like this:
The problem is (I got this out of an SAT test prep book)
Karen is ordering a hamburger. The restaurant offers 2 different kinds of bread, 3 different kinds of condiments, and 2 different kinds of cheese. How many ways can she order her burger?
1. 6
2. 7
3. 9
4. 12
5. 24
4 Answers
- 8 years agoFavorite Answer
These are all about writing out what they're saying.
Karen wants 1 hamburger.
It can have two different kinds of bread. So multiply her choice of 1 burger by the number of options - now she has 2*1 = 2 choices.
Next, there are three kinds of condiments. They can all be used on either kind of bread, so multiply by 3. You're up to 6 choices.
Finally, the cheese doesn't care what bread or what condiments she ordered. Multiply by 2 kinds of cheese, and you have 12 choices of hamburger.
- 8 years ago
Multiply all the possible number of each choice.
Choices for bread:2
Choices for condiments:3
Choices for cheese:2
2*3*2 = 12
The answer is 4. 12!
- 8 years ago
12, make a chart. (b is bread, c is condiment, ch is cheese)
b1 cl 1ch
c2
b2 c3 2ch
Connect the dots. bl, pick as much choices as possible.(6). Because b2 the same, just add 6 (12).
The correct answer is 12! (Choice 4)
