16.79+28.49=45.28
50-45.28=4.72
Kelly would get $4.75 back
Answer:
x = -4y
<em>Hope that helps! :)</em>
<em>-Aphrodite</em>
Step-by-step explanation:
So, to do this, all you need to do is add up all the values, and then, with that number, divide by how many values are given.
150+165+165= 480
480/3= 160
Answer:
I think that it is B because its the only answer that makes sense
Step-by-step explanation:
Answer:
43.16 mg
Step-by-step explanation:
After each hour, the amount remaining is 100% - 12% = 0.88 times the amount present at the beginning of the hour. Then after 8 hours, the amount remaining will be the initial amount multiplied by 0.88 eight times, or ...
(120 mg)·(0.88^8) ≈ 43.1561 mg ≈ 43.16 mg
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Of course, an exponent is used to signify repeated multiplication. You can actually do the multiplication if you like, but most scientific and graphing calculators handle exponentiation easily.
