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Sergeeva-Olga [200]
4 years ago
7

A plumber has 2.5 metre long copper pipe. he needs to cut lengths of 60 cm, 35cm and 90cm work out how many of the initial 2.5 m

etre long pipe is left. give your answer in cm
Mathematics
1 answer:
frosja888 [35]4 years ago
6 0

Answer:

The answer to your question is there will be 65 cm left.

Step-by-step explanation:

Data

Length of the pipe = 2.5 m

Pieces cut = 60 cm, 35 cm, 90 cm

Pipe left = ?

Process

1.- Convert the length of the original pipe to cm

                   100 cm ----------------- 1 m

                        x      ------------------2.5 m

                        x = (2.5 x 100) / 1

                        x = 250 cm

2.- Subtract the length of the pieces to the original length

             250 cm - 60 cm - 90 cm - 35 cm

              250 cm - 185 cm

              65 cm

3.- Conclusion

    There are 65 cm left.

         

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