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Susan has an old stool - a cube with an edge length of 80 cm. She wants to sew a new cover for her. How many square meters does the fabric consume, considering adding 15% for stitching and folds?

Correct answer:

S =  4.416 m2

Step-by-step explanation:

a=80 cm m=80:100  m=0.8 m q=100%+15%=1+10015=1.15  S1=6 a2=6 0.82=2596=3.84 m2  S=q S1=1.15 3.84=4.416 m2

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