(Force) x (distance through which the force acts)
or
(Power) x (length of time the power lasts)
You multiply them.You multiply them.You multiply them.You multiply them.
Work out one percent, then multiply the answer by three
Multiply by .175
Multiply <weight> by 0.16666
Multiply it by 0.19
Multiply by 1.67
Multiply it by 0.13
Multiply it by 0.01
2 times 54 will work.
Multiply your number by 0.4
You will have to work the surface area of one of the ends and then multiply that with the length.
Multiply the number by 2.5 and then divide by 100. Alternatively, multiply the number by 0.025