The gift box should be tied "crosswise." How many ribbons will be needed in total if the dimensions of the box are 40 cm, 30 cm, and 10 cm and 50 cm of ribbon are needed for the bow?

Correct answer:

x =  230 cm

Step-by-step explanation:

a=40 cm b=30 cm c=10 cm  d=50 cm  x=d+2 (a+b)+4 c=50+2 (40+30)+4 10=230 cm

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