Question
There were 38 kids in a fast food restaurant. Every kid ordered at least one type burger. Mr Chau received order for 21 beef burgers and 21 turkey burgers. How many kids ordered the turkey burger only?
4 m

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There were 38 kids in a fast food restaurant. Every kid ordered at least one type burger. Mr Chau received order for 21 beef burgers and 21 turkey burgers. How many kids ordered the turkey burger only?