Tank B, which initially contained 80 liters of water, is being drained at a rate of 2.5 liters per minute. How many liters of water remain in the tank after the following amounts of time? a. 30 seconds
b. 7 minutes
c. t minutes

answer is x<

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times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.