What is 10 percent less than 90? What is the formula used to calculate 10 percent less than 90? How can we calculate 10 percent less than 90?
Here we will show you the formula used to calculate 10 percent less than 90 (10% less than 90), and then we will calculate the answer to 10 percent less than 90 using our formula. We will also illustrate what 10 percent less than 90 looks like.
The formula used to calculate 10 percent less than 90, as well as other percent less than problems, can be seen below:
PL = OV - ((P ÷ 100) × OV)
PL (Percent Less) is the answer we want, P (%) is the percent, and OV (Original Value) is the starting value. Therefore, when we substitute 10 for P and 90 for OV in our formula, we get the answer to 10 percent less than 90, as solved here:
PL = 90 - ((10 ÷ 100) × 90)
PL = 90 - (0.1 × 90)
PL = 90 - 9
PL = 81
10% less than 90 = 81
So, how does our formula work to calculate 10 percent less than 90? First, it takes 10 percent of 90, and then we subtract that result from 90 to get our final answer. We have provided an illustration below so you can better visualize 10 percent less than 90.
In our illustration above, the areas shaded in blue and red add up to 90, and the area shaded in red is 10 percent of 90. In other words, blue is 81, red is 9, and blue plus red is 90.
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