Answer:
20 meters
Step-by-step explanation:
use the Pythagorean theorem:

X=8 which is her age
8 is her cousin age
16 is Amy's age and the sum
Is 32
<span> 2(2x-3y=3)..................4x-6y=6..........equation 1
3(5x+2y=17)
...........15x+6y=51</span>........equation 2
adding equation 1 and equation 2;
19x=57
x=3
2x-3y=3
(2*3)-3y=3
6-3=3y
y=1
Answer:
the answer will be 6 or 10