What is 9 divided by 1.25?

To find the solution to the problem, you start by understanding the division involved: dividing 9 by 1.25.

First, it's helpful to convert the divisor (1.25) into a fraction for easier calculation. Since 1.25 can be expressed as 5/4, the problem then transforms into finding how many times 5/4 fits into 9.

To solve this, you can multiply 9 by the reciprocal of 5/4, which is 4/5. This gives you:

[

9 \times \frac{4}{5} = \frac{9 \times 4}{5} = \frac{36}{5}

]

Now, performing the division:

[

\frac{36}{5} = 7.2

]

This indicates that when you divide 9 by 1.25, the quotient is indeed 7.2.

Understanding this calculation method, you can confidently identify that this aligns with the provided choice of 7.2.