The ratio of length of field to its width is 5:3 Find its length if the width is 42 meters .
- 60m
- 50m
- 86m
- 70m
Explanation
Length =5:3
suppose the length and width of the field be 5xm and 3xm respectively
Width =42m
3x=42
x= 42/3
=14
∴length=5x=5×14=70m
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