Multiplying a fraction by an integer

Maths

What is the correct answer to this multiplication?

What is the correct answer to this multiplication, written as a mixed number in its simplest form?

What is the correct simplified answer to this multiplication?

As a fraction of a million, how many more people live in Leeds than Hull and Wakefield combined?

In a magic square, every row, column and diagonal have the same total. What should replace the question mark?

The perimeter of this rectangle is 12 m. What is the width (all measurements in metres)?