Mathematics 4024 · O Level · Introduction to algebra

Introduction to algebra — practice question

Benjamin's age is $t$ years.

(a(i))[1]

Maryam is $5$ years younger than Benjamin. Write an expression, in terms of $t$, for Maryam’s age.

(a(ii))[1]

Colin’s age is twice Benjamin’s age. Write an expression, in terms of $t$, for Colin’s age.

(b)[1]

Using $a = 3$ and $b = -2$, evaluate $5a - 2b$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The required expression is $t-5$.” …