Answer:
<em>The plant grew </em>
<em> inches</em>
Step-by-step explanation:
<u>Operations with Fractions</u>
Felipe planted seeds for a science project. One of the plants grew 6 2/7 inches in the first week and 5 11/14 inches in the second week.
We are required to find the total growth during the two weeks. We have to find the sum of:

Let's convert both fractions to improper form:

Adding the integers:

Now we find the LCM of 7 and 14 is 14, thus:




Rewriting as a mixed number:
The plant grew
inches
X + x + 10 + 2x - 16
x = mia's score
x + 10 = erick's score
2x - 16 = isabelle's score
the entire expression is the sum of all 3 scores <==
42% ................................
<span>4 x 101^2
------------- = 0.5 x 10^5 = 5 x 10^4
</span><span>8 x 10^7
answer is C.
</span><span>C) 5 x 10</span>^4
Simple.
100% of the student body is 160 + 80, which is 240.
160 is 66.7% of 240.
So 66.7% voted for a bulldog.
Hope this helps!