A rope

From a rope of length 18 3/4 m, two smaller pieces of lengths 5 m and 7 1/2 m are cut out. Find the length of the remaining piece of rope.

Correct answer:

x =  6 14 = 25/4

Step-by-step explanation:

a=1843=18+43=418 4+3=472+3=475=1843=18.75 m b=5 m c=721=7+21=27 2+1=214+1=215=721=7.5 m  s=b+c=5+215=25 2+215=210+215=210+15=225=12.5 m  x=as=475225=475450=47550=425=641=6.25

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