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 10 stickers, how many stickers does each have in terms of d?
A) Derek: $\mathrm { d } + 10 ;$ Mark: $\frac { \mathrm { d } } { 2 } - 10$
B) Derek: $\frac { d } { 2 } - 10 ;$ Mark: $d + 10$
C) Derek: $\mathrm { d } - 10$; Mark: $\frac { \mathrm { d } } { 2 } + 10$
D) Derek: $\frac { \mathrm { d } } { 2 } + 10 ;$ Mark: $\mathrm { d } - 10$

Question

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 10 stickers, how many stickers does each have in terms of d? 
A) Derek: $\mathrm { d } + 10 ;$ Mark: $\frac { \mathrm { d } } { 2 } - 10$
B) Derek: $\frac { d } { 2 } - 10 ;$ Mark: $d + 10$
C) Derek: $\mathrm { d } - 10$; Mark: $\frac { \mathrm { d } } { 2 } + 10$
D) Derek: $\frac { \mathrm { d } } { 2 } + 10 ;$ Mark: $\mathrm { d } - 10$

Quizplus · Accepted Answer

Initially, Mark has $m = \frac{d}{2}$ stickers. After Derek gives Mark 10 stickers, Derek will have $d - 10$ stickers, and Mark will have $\frac{d}{2} + 10$ stickers.

Write an Expression in Terms of the Given Variable(s)that Represents d+10;\mathrm { d } + 10 ;d+10;

Write an Expression in Terms of the Given Variable(s)that Represents $\mathrm { d } + 10 ;$