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Help, what is the % increase of the rectangle

Help, what is the % increase of the rectangle-example-1
User Mmklug
by
4.4k points

1 Answer

12 votes

Answer:

8%

Explanation:

30 × 1.1 = 33

20 × 1.05 = 21

→ Find new perimeter

(33 × 2) + (21 × 2) = 108

→ Find old perimeter

(30 × 2) + (20 × 2) = 100

→ Find percentage increase


(108-100)/(100) *100=8

User Margaretha
by
4.6k points