8a+2(1-5a) < 20
solve the inequality

I hope this helps you

8a+2-10a <20

2-20 <10a-8a

-18 <2a

-9 < a

I hope this helps you

8a+2-10a <20

2-20 <10a-8a

-18 <2a

-9 < a

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's