# The length of Giselle's arm is 27 inches. The length of her lower arm is 17 inches. About what percent of Giselle's arm is her lower arm?

Jun 6, 2018

About 67%

#### Explanation:

The word 'about' suggests that just a quick estimate is required, rather an accurate answer.

Round $27 \mathmr{and} 17$ to $30 \mathmr{and} 20$ respectively.

What percentage is $20$ out of $30$?

$\frac{20}{30} = \frac{2}{3}$

$\frac{2}{3}$ as a percentage is 66 2/3%

Her lower arm is aboyt 67% of the length of her arm.