Question

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?

Answer 1

Set up a proportion:

17 = x

27 100

Cross multiply:

1700 = 27x (now, divide to solve for x)

/27 /27

x = 62.962962...

When rounded, Giselle's lower arm is 62.96% of her arm.

Answer 2

Set up a proportion:
17 = x
27 100
Cross multiply:
1700 = 27x (now, divide to solve for x)
/27 /27
x = 62.962962...
When rounded, Giselle's lower arm is 62.96% of her arm.
Hope this helps!