I think the answer will be 2.5
Answer:
30%
Step-by-step explanation:
<h2><u>Percentage change </u></h2><h3>formula :</h3>

= 50 - 35 = 15
= 
<h3>=
30 %</h3>
2)Perimeter=28 rounded to 30. Area=48 rounded up to 50.
0.36x10=36.363636
0.36x1000=3636.363636
3636.36-36.36=3600
1000x-10x=990
3600/990=360/99
120/33=40/11 I think?