In how many weeks will the ponds be the same depth

Reference no: EM13201543

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

Reference no: EM13201543

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