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 :)

Question

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 :)

anonymous · Answer

x/y=5/7
7x=5y
y=18+x
y=18+5/7y
y=63
x=81
l=144

anonymous · Answer

k tnx bro :)

anonymous · Answer

your welcome

anonymous · Answer

y=18+5/7y can you explain this please? i don't get it (i don't know much about math)