how much less is needed
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Answer:
1280 cm
Step-by-step explanation:
the area of the cloth she had = 100x60 =6000cm^2
area of 1 handkerchief=20*20=400 cm^2
no of handkerchief=6000/400 = 15 handkerchief
now the perimeter of 1 handkerchief is 20*4= 80 cm
so lace required for 15 handkerchief= 80*15=1280cm
Answered by
1
Answer = 1200
Area of piece of cloth = 100×60=600cm²
Area of handkerchief = 20×20 = 400cm²
No:of handkerchiefs made from the piece of cloth = 6000/400=15
Lace required for one handkerchief = 20×4=80cm
Total lace required = 80×15= 1200cm
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