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For rate questions, you generally solve them by determining rate1, rate 2 and then you can just add them to find the new rate and solve. If the question asks how many hours it takes, then you need to have a rate per hour. If the question asks how many tanks are filled, you need rate per tank. So for...
- by exeter
Tue Sep 30, 2008 7:23 pm- Forum: Problem Solving
- Topic: Taking my Test on Tuesday! Need help with a few problems~
- Replies: 3
- Views: 2730
Ahh ok sorry. I interpreted the question to mean something else. I agree with you. Question: “Having an assistant increases Jane's output of toy bears per hour by what percent?” I interpreted the question as how fast Jane + assistant is working, compared with Jane alone. This is 200% as Jane + assis...
- by exeter
Tue Sep 30, 2008 6:34 pm- Forum: Problem Solving
- Topic: percentage increase question
- Replies: 9
- Views: 4792
Ok, so my answer is 360, which I hope is correct. Here's my logic (sorry it's so long!!! I am SURE there is a faster way to do this, but I think this way leaves no room for argument): There are 6 potential positions to stand in, where position 1 is the closest to the stand and position 6 is the fart...
- by exeter
Tue Sep 30, 2008 5:38 pm- Forum: Problem Solving
- Topic: MGMAT Problem
- Replies: 8
- Views: 2573
I do not understand how to get 200% either. But this is my explanation for doing this. Lets assume she makes 100 bears per week and works 10 hours. So number of bears she makes in an hour = 100/10 = 10 bears/hour With assistant, she makes 80% more = 180 bears per week and works 10% less = 9 hours p...
- by exeter
Tue Sep 30, 2008 4:44 pm- Forum: Problem Solving
- Topic: percentage increase question
- Replies: 9
- Views: 4792