Three years ago, Sherman was twice as old as Clive. If Clive’s present age is c, which expression represents Sherman’s present a ge in terms of Clive’s age?
1 answer:
First establish variables for current age . Clive's current age = c Sherman's current age = s <span>"Three years ago," Clive was: (c - 3) Sherman was: (s - 3) </span><span>"Sherman was twice as old as Clive."</span><span> (s - 3) = 2(c - 3) Then in terms of Sherman's present age, distribute 2, combine like terms s - 3 = 2c - 6 s = 2c - 6 + 3 s = 2c - 3 </span>
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