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David is twice as old as Abby. If a represents Abby’s age, which expression represents David's age? A) 3 + a B) 2 + a C) 2a D) 3a
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David is twice as old as Abby. If a represents Abby’s age, which expression represents David's age?

A) 3 + a
B) 2 + a
C) 2a
D) 3a

User Mathieu Rollet
by
8.1k points

1 Answer

2 votes
2a

Hope this helps!! :)
User Ngeek
by
8.2k points
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