360 x 5 % = 18.00
to calculate without the use of a calculator.
360 x 10 = 36 / 2 (which would be 5%) = 18
1% is 0.01 and 0.01 times 40 is 0.4 or (40/100)*1
You should work it out in your head or on a calculator but its 1250
34.875
Logarithms, for which you would need tables.
33.3333 (recurring) percent. For future reference, you can work out percentages by typing into a calculator, for example to get 1/3 as a percentage: (1÷3) x 100
1.6
1% is 0.01 and 0.01 times 40 is 0.4 or (40/100)*1
Being able to work without a calculator will give you a deeper understanding of maths and arithmetic, and the methods (either using your brain or on paper) used to reach a correct answer. A calculator won't show you how to work the calculation, but will give an answer at the touch of a button or two. It is best to learn without a calculator first, before relying on a calculator.
you cant
You should work it out in your head or on a calculator but its 1250
112 divided by 3.
47% is equal to .47 Then you multiply .47 by 70 and get 32.9
34.875
Same like our fingers, brains of people are different from each other. Not everyone's brain work efficiently so, the world would be worse without a calculator. Calculator makes calculations much easier.
When you are dealing with prices, but most of the time, it is easier to change a percent into a fraction or decimal simply because it is easier to punch in the calculator or work out by hand than a percent.
If you have a computer then you have a calculator. Do your own work. If this question comes up on the test we won't be there to determine the answer for you. Multiply the purchase price by "8.25%" if you have a percent key on your calculator. If not then the decimal equivalent would be ".0825".
Logarithms, for which you would need tables.