To prevent Lyme disease in dogs and cats, the most important step is to stop the ticks that transmit the disease. The tick that carries the Borrelia spirochete can be prevented or killed by applying a tick collar and flea and tick medications.
1. Know what a percentage is. A percentage is a way to express a number as a part of a whole. To calculate a percentage, we look at the whole as equal to 100%. For example, say you have 10 apples (=100%).If you eat 2 apples, then you have eaten 2/10 Ã 100% = 20% of your apples and you are left with 80% of your original apples.. Know what a percentage is. A percentage is a way to express a number as a part of a whole. To calculate a percentage, we look at the whole as equal to 100%. For example, say you have 10 apples (=100%).
10% off means you need 90 percent of it or 100%-10%=90% as you know percent means over 100 so 90 percent means 90/100 now if you want to know 10 off of something you can just say that something times 90 divided by 100.Kaveh Â· 6 years ago.Thumbs up. 0.o work out the percentage, always divide by 100 and then times by the percentage you want to be left with. To work out 90% of 50 you: 50 divide by 100 x 90 = 90% of 50. snow-in-summer Â· 6 years ago. Thumbs up.