Write an expression in terms of the given variable(s) that represents the indicated quantity.Mark has half as many stickers as Derek. If Derek has d stickers and Mark m stickers, and Derek gives Mark  stickers, how many stickers does each have in terms of d?

A. Derek:  + 10; Mark: d - 10
B. Derek: d - 10; Mark:  + 10
C. Derek:  - 10; Mark: d + 10
D. Derek: d + 10; Mark:  - 10


Answer: B

Mathematics

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