Officials begin to release water from a full man-made lake at a rate that would empty the lake in 4 weeks, but a river that can fill the lake in 15 weeks is replenishing the lake at the same time. how many weeks does it take to empty the lake? express your answer as a fraction reduced to lowest terms, if needed.

Learned about life itself

answer and explanation;

composition refers to both the types of minerals within a rock and the overall chemical makeup of the rock while texture refers to the size and arrangement of the minerals or grains that make up a rock. both composition and texture can be used to classify rocks, such as igneous rocks. texture describes how the rock became solid or crystallized from liquid, melted rock. composition of a rock describes the minerals that make up a particular rock.

The low lands i believe

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