A gardener sets 180 plants In a rows. Each row contains the same number of plants. If there are 40 more plants in each row, the gardener would need 6 fewer rows. How many rows are there?

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Solution

let number of rows be x
so number of cols would be 180/x

according to the question
if columns = (180/x)+40
then rows would = x-6
but since number of plants remain same
[(180/x) + 40] * (x - 6) = 180
solving for x from here, we get 9.

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A gardener sets 180 plants In a rows. Each row contains the same number of plants. If there are 40 more plants in each row, the gardener would need 6 fewer rows. How many rows are there?

let number of rows be x so number of cols would be 180/x according to the question if columns = (180/x)+40 then rows would = x-6 but since number of plants remain same [(180/x) + 40] * (x - 6) = 180 solving for x from here, we get 9.

let number of rows be x
so number of cols would be 180/x

according to the question
if columns = (180/x)+40
then rows would = x-6
but since number of plants remain same
[(180/x) + 40] * (x - 6) = 180
solving for x from here, we get 9.