Question
There are a total of 30 Indonesian, Japanese and Chinese stalls at a hawker center. The number of Indonesian stalls is twice the number of Chinese stalls. The number of Chinese stalls is thrice the number of Japanese stalls. How many more Indonesian than Chinese stalls are there at the hawker center?
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There are a total of 30 Indonesian, Japanese and Chinese stalls at a hawker center. The number of Indonesian stalls is twice the number of Chinese stalls. The number of Chinese stalls is thrice the number of Japanese stalls. How many more Indonesian than Chinese stalls are there at the hawker center?