Question
There are a total of 20 Korean, Egyptian and Indonesian stalls at a hawker center. The number of Korean stalls is twice the number of Indonesian stalls. The number of Indonesian stalls is thrice the number of Egyptian stalls. How many less Egyptian than Korean stalls are there at the hawker center?
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There are a total of 20 Korean, Egyptian and Indonesian stalls at a hawker center. The number of Korean stalls is twice the number of Indonesian stalls. The number of Indonesian stalls is thrice the number of Egyptian stalls. How many less Egyptian than Korean stalls are there at the hawker center?