Question
There are a total of 20 Japanese, Vietnamese and Italian stalls at a food center. The number of Japanese stalls is twice the number of Italian stalls. The number of Italian stalls is thrice the number of Vietnamese stalls. How many more Japanese than Italian stalls are there at the food center?
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There are a total of 20 Japanese, Vietnamese and Italian stalls at a food center. The number of Japanese stalls is twice the number of Italian stalls. The number of Italian stalls is thrice the number of Vietnamese stalls. How many more Japanese than Italian stalls are there at the food center?