A quarter of its original size would be 25% of 100%, right? Therefore, the tumor would have to shrink 75%. If each treatment, the tumor shrinks 5% that would mean it takes 15 treatments to shrink 75 percent.
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Answer:
I don't know if I'm right at all
x 1/2 2
5 × x2 ^
Hi!
<h3>To find the slope, use this formula</h3>

<h3>Put in the values</h3>

<h2>The slope is 1 </h2>
Hope this helps! :)
-Peredhel
Answer:
6x-21+5 = -19 Distribute
6x-16 = -19 Combine like terms
6x = -3 Add
x = -1/2 Division