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해법
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Represent the numbers with :
A.T.Q.:
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Lauren's age is half of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 99. How old is Joe?If 15 more than a number is 3 more than double the number, what is the number?A box with rectangular sides measures 18 inches wide, 12 inches deep, and 6 inches high. Find the 용량 of the box in cubic feet.증명 that the product of the two consecutive integers is divisible by 2seven is equivalent to eleven plus a number