Answer:
3x - 14
Step-by-step explanation:
Perimeter = 2(length+width)
= 2[(½X-7) + (x)]
= 2[½x + x - 7]
= 2[1.5x - 7]
= 3x - 14
Answer:
30%
Step-by-step explanation:
$500-$350=150
150/500 x 100
=30%
D 1/7 because only one chair is sort. Out of 7 only one person will have the short chair. 1/7 is the answer. trust me