Lake Michigan is one of five great lakes in north america. In summertime, lake Michigan recedes about 1/4 foot per hour. Lake Michigan is about 279 ft. In depth.

See Explanation

Step-by-step explanation:

The question is incomplete. However, a possible question is "calculate the depth of the lake after certain number of hours (say 2 hours)"

Given

First, we calculate the depth receded.

If the rate is 1/4ft per hour

Then

The Depth receded in 2 hours is:

The new depth is then calculated as:

1/4 because there is 4 grades.

answer:

125 yards

explanation:

75+50=125. that is my answer