Asked by lokf
There were two baby dolphins at the South City Aquarium. Baby Dave is 25 days old and baby Dan is 5 days old. When will Dave be three times as old as Dan?
Answers
Answered by
mathhelper
let it happen in x years, so
25+x = 2(5+x)
solve for x
25+x = 2(5+x)
solve for x
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