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A lake near the Arctic Circle is covered by a $h$ -meter-thick sheet of ice during the cold winter months. When spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. After $t$ weeks, the sheet is only $d$ meters thick. Let $T$ represent the ice sheet's thickness (in meters) after $t$ weeks. Complete the equation for the relationship between the thickness and number of weeks.

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Evaluate two-variable equations: word problems

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Q. A lake near the Arctic Circle is covered by a

h

-meter-thick sheet of ice during the cold winter months. When spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. After

t

weeks, the sheet is only

d

meters thick. Let

T

represent the ice sheet's thickness (in meters) after

t

weeks. Complete the equation for the relationship between the thickness and number of weeks.

Identify initial thickness: First, we need to identify the initial thickness of the ice sheet and how much it has decreased after a certain number of weeks. However, the problem statement is missing specific numerical values for the initial thickness, the thickness after a certain number of weeks, and the number of weeks that have passed. Without these values, we cannot calculate the rate of decrease or complete the equation.

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