I think this is the answer

hope this helps
$237.50
5/100=.05
250•.05=12.5
250-12.5=237.50
W=x
L=2x-4
Perimeter=88
Perimeter=2(l+w)
88=2(2x-4+x)
88=4x-8+2x
88+8=4x+2x
96=6x
96/6=x
16=x(width)
Answer:
4
Step-by-step explanation:
The first triangle has the ratios 10:6:8. The next one has the ratios 5:3:x. If you have paid close attention, you can divide the first one by 2 to get the second one. 8/2 is 4 so the correct answer is 4.
Hope this helps plz mark brainliest if correct :D