jdmaclachlan jdmaclachlan

24-02-2018
Mathematics

contestada

A wire that is 66 metres long has to be cut into two pieces. The ratio of the lengths of two pieces is 7 : 5. How long is each piece?

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Kaikerscupcake Kaikerscupcake

24-02-2018

Hey there! :D

Add the ratios together.

7+5= 12

66/12= 5.5

5.5*7= 38.5

5.5*5= 27.5

One piece is 38.5 meters and the other is 27.5 meters.

I hope this helps!
~kaikers

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