# Brandon has a certain amount of pencils, p. Sophie has 7 fewer pencils than Brandon. How do you write an expression that represents how many pencils Sophie has?

##### 2 Answers

Nov 11, 2015

#### Answer:

Compare the amount of Sophie's pencils to Brandon.

#### Explanation:

Brandons amount of pencils is

Since Sophie has 7 less than Brandon, that means that she has

Nov 11, 2015

#### Answer:

S = p - 7 pencils

See explanation. The layout is very important for good mathematics

#### Explanation:

Let Brandon be B

Let Sophie be S

Given that Brandon's count of pencils is p

So

B = p pencils

(Note that units are important and 'pencils' is units of measurement/count)

Then S = p -7 pencils