unit rate (3, 15), (4, 20)

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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 54. How old is Joe?

Solution

Joe′s age is: 20

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Solve the equation

Joe′s age is: 20

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你好, 询问 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 54. How old is Joe?

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

unit rate (3, 15), (4, 20)

Solution

Solution steps

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