The door

The door to the apartment has a height 2 m and a width 80 cm. Calculate how many cm of sealing tape is needed to seal them. Will there be enough packaging in which there are 5 m tape (write 0 = no, 1 = yes)?

Result

x =  560 cm
y =  0

Solution:

x=2⋅ (200+80)=560=560  cm x = 2 \cdot \ (200+80) = 560 = 560 \ \text{ cm }
x>=500 cm y=0x > = 500 \ cm \ \\ y = 0

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