It is done by: 9475*12 = 113700.0 and because there are 7 decimal places altogether in the original numbers move the decimal point 7 places to the right = 0.0113700 which is the same as 0.01137
with your brain... Or the old-fashioned way -by counting it out on your fingers.
110 = 00012 110 - This is the number one writen in the decimal system 00012 - This is the number 1 using the binary system. Here, 4 bits are being represented. 00012 = 012
Multiply by 0.9144
Multiply both numbers by five- to get the fraction 85/100... which is 85%
Multiply 10.13 by 0.035
You multiply the number together - using a calculator if needed.
480... WITHOUT using a calculator !
4690 without using a calculator !
540... without using a calculator !
The only way, without a calculator, that I know of is long division.
% means divided by 100 'of' means multiply (30 / 100) * 20 = 6 pounds
480... without using a calculator !