A rate of 40 percent could be expressed as 2/5.true or false

True.

40 = 2 * 2 * 2 * 5

100 = 2 * 2 * 5 * 5

40 % =

40 / 100 =

( 2 * 2 * 2 * 5 ) / ( 2 * 2 * 5 * 5 )

= 2 / 5

OR

( 2 / 5 ) * 100 % =

0.4 * 100 % = 40 %

True.

To understand why a rate of 40 percent can be expressed as 2/5, you need to know how to convert a percentage to a fraction.

Step 1: Take the percentage and divide it by 100.
In this case, 40 divided by 100 is 0.40.

Step 2: Simplify the fraction.
The decimal 0.40 can be written as the fraction 40/100.

Step 3: Reduce the fraction to its simplest form.
Both 40 and 100 can be divided by 20, resulting in 2/5.

Therefore, a rate of 40 percent can be expressed as the fraction 2/5.