To write 0.5% as a fraction, you need to first remember that percent means "per hundred". Since 0.5% means 0.5 per hundred, you can express it as 0.5/100. However, if you simplify this fraction, you get 1/200. Therefore, the fraction equivalent of 0.5% is 1/200.
To write 3 3/5 as a percent, you need to convert the fraction part (3/5) into a decimal. Divide the numerator (3) by the denominator (5), which equals 0.6. Then, add this decimal to the whole number (3), resulting in 3.6. To convert the decimal to a percent, you multiply it by 100. Therefore, 3 3/5 expressed as a percent is 360%.