What is 30 of 70?
Simple method to solve percentage calculation such as what is 30 of 70
Call the unknown value Y Let’s solve the equation for Y by first rewriting it as: 100% / 70 = 30% / Y Drop the percentage marks to simplify your calculations: 100 / 70 = 30 / Y Multiply both sides by Y to transfer it on the left side of the equation: Y ( 100 / 70 ) = 30 To isolate Y, multiply both sides by 70 / 100, we will have: Y = 30 ( 70 / 100 ) Computing the right side, we get: Y = 21 As you can see, 30 of 70 is 21 |