Use mental math to find the missing factor

Question

36,000 divide by ________ = 90

4
40
400
4,000

Answer 1

To find the missing factor, you can use the equation:

\[ 36,000 \div x = 90 \]

To find \( x \), you can rearrange the equation:

\[ x = \frac{36,000}{90} \]

Now, let's perform the division:

\[ 36,000 \div 90 = 400 \]

So, the missing factor is:

400