food and nutrition


Question: how many different 4- letter license plates can be made using the letters T O Y and S .? all four letters must be used on each licenense plate

Answer: Make a chart TOYS TOSY TYOS TYSO TSOY TSYO Start again with O OTYS OTSY OSTY OSYT OYST OYTS Then with S, and Y or 4 letters times 6 combinations for each is 24 combinations. it's simple, try to pay attention next time in math class.

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