How many weeks will the pond have the same depth

Reference no: EM13194017

the depth of a pond is 180 cm and is being reduced by 1 cm per week. the depth of a second pond is 160 cm and is being reduced by 1/2 cm per week. if the depths of both ponds continue to be reduced at these constant rates, in about how many weeks will the pond have the same depth?

Reference no: EM13194017

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