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)?

Correct result:

x =  560 cm
y =  0

Solution:

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

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