skylex
skylex
20.03.2020 • 
Mathematics

A farmer has 1620 yd of fencing to enclose a rectangular pasture for her goats. Since one side of the pasture borders a river, that side does not need to be fenced. The sides of length a must be four times as long as side b. Find the dimensions of the rectangular pasture.

the length of b is ___ yards
the length of a is ___ yards

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