Question
There are a total of 10 Greek, Vietnamese and Indian stalls at a hawker center. The number of Greek stalls is twice the number of Indian stalls. The number of Indian stalls is thrice the number of Vietnamese stalls. How many less Vietnamese than Greek stalls are there at the hawker center?
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There are a total of 10 Greek, Vietnamese and Indian stalls at a hawker center. The number of Greek stalls is twice the number of Indian stalls. The number of Indian stalls is thrice the number of Vietnamese stalls. How many less Vietnamese than Greek stalls are there at the hawker center?