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