The answer is 7x20 and that equals 140 good luck
I think you divide 1/2 by -2/5 and then add that to -1/4....
Answer:
your answer would probably be 20 bc I times 5 then times 2 then I got 10. Then I did 10 X 2 and I got 20
Every piece of cord is 1/10 of a meter long
Is it the absolute value? If so then 1.