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I will give 30 points!!

The number of bubbles, y, in a bathtub that remains after t hours can be modeled by the equation y = .55(.85)^t . What is the decrease rate of bubbles in the bathtub?

A. 85% per hour
B. 45% per hour
C. 15% per hour
D. 55% per hour

Respuesta :

destinyarmentaaa

When pouring in your bubble bath, add it slowly and right underneath the running water. The stronger the water pressure, the more bubbles you'll get. To increase the suds, rapidly run your fingers through the liquid underneath the tap and if need be, add more bubble bath before turning off the tap so c has to be the answer!

Answer:

Pretty sure A is the answer

Step-by-step explanation:

because it is being multiplied by .85 it is also a percentage of 85% so that means it is decreasing by that each hour.

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