A multiple of a whole number is the product of that number and an integer.
A multiple of a real number \(x\) is any number that is a product of \(x\) and an integer; for example,
4.5 and -13.5 are multiples of 1.5 because 4.5=3×1.5 and -13.5=-9×1.5.
A multiple of a whole number is the product of that number and an integer.
A multiple of a real number \(x\) is any number that is a product of \(x\) and an integer; for example,
4.5 and -13.5 are multiples of 1.5 because 4.5=3×1.5 and -13.5=-9×1.5.