Writing an equation

Question 1

John is x years old. Tom is 4 years older. The product of their ages is 48.

Write an equation in terms of x

Answer 1

x(x + 4) = 48

Tom is x + 4

Product means multiply

Question 2

Two numbers are x and (x -2) . The product of the numbers is 24.

Write an equation in terms of x

Answer 2

x(x - 2) = 24

Product means multiply

Question 3

The breadth of a rectangle is x cm. The length is twice the breadth. The area of the rectangle is 50 cm²

Write an equation in terms of x

Answer 3

2x² = 24

Twice means 2 times so the breadth is 2x

To find area, you multiply length and breadth