#### Question 2

Algebraic expressions for the following are:

a b c d When 3 is substituted for x, the value of x + 5 is: 5 8 15 When 20 is substituted for a, the value of a – 5 is: 15 20 25 The value of $$x^2$$ + 6 when 2 is substituted for x is: 4 6 10 The value of $$\dfrac{x}{6}$$ when 24 is substituted for x is: 3 4 6 If x = 3, then the value of 6 – x is: 3 6 9 If v = 12 and t = 3, then the value of $$\dfrac{v}{t}$$ + 6 is: 4 10 24

#### Question 3

The profit from selling n crates of bananas is 3n dollars. The profit from selling 80 crates is:

 $24$80 \$240

#### Question 4

The number of seats in a small theatre of x rows of 16 seats per row is 16x. If there are 8 rows in the theatre, then the number of seats is:

 24 64 128