An hourglass is turned over with the top part filled with sand. after 3 minutes, there are 855 ml of sand in the top half. after 10 minutes, there are 750 ml of sand in the top half. which equation represents this situation

Step-by-step explanation:

Let x be the number of minutes and y be the quantity of sand in the hour glass.

After 3 minutes,

Quantity of sand in the top half=855 ml

After 10 minutes , quantity of sand in the top half=750 ml

We have to find the equation which represents this situation.

Now, we get two points (3,855) and (10,750)

Slope formula :

By using slope formula

Slope  =

The equation of  a line with slope m passing through the point

The equation of line with slope -15 and passing through the point (3,855) is give by

Hence, the equation represents this situation is given by

step-by-step explanation:

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