Decimeters 55263

Mom wants to sew a tablecloth on a table measuring 75 × 110 cm so that it protrudes two decimeters over the edge on each side. She adds on a 20 cm reserve. How many laces to buy to sew it?

Correct answer:

x =  550 cm

Step-by-step explanation:

a=75 cm b=110 cm  p=2 dm cm=2 10  cm=20 cm  A=a+2 p=75+2 20=115 cm B=b+2 p=110+2 20=150 cm  x=p+2 (A+B)=20+2 (115+150)=550 cm

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