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OpenStudy (anonymous):
A piece of rope was cut into two so that the lengths of the pieces are in the ratio 5:7. If one piece was longer by 18 dm, how long was each piece? How long was the whole rope? explain your answer please :)
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OpenStudy (anonymous):
x/y=5/7 7x=5y y=18+x y=18+5/7y y=63 x=81 l=144
OpenStudy (anonymous):
k tnx bro :)
OpenStudy (anonymous):
your welcome
OpenStudy (anonymous):
y=18+5/7y can you explain this please? i don't get it (i don't know much about math)
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