The brain represents approximately StartFraction 9 Over 40 EndFraction

Question

of a​ species's weight. Express this fraction as a percent.

Answer 1

To convert a fraction to a percent, you can divide the numerator by the denominator and then multiply by 100.

StartFraction 9 Over 40 EndFraction = 9 ÷ 40 = 0.225

0.225 * 100 = 22.5%

Therefore, the brain represents approximately 22.5% of a species's weight.