So this is just the opposite of what we did in the last problem. Instead of multiplying and adding, we divide and subtract.
OpenStudy (anonymous):
So How many times does 9 go into 37?
OpenStudy (anonymous):
5 times
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OpenStudy (anonymous):
Okay, and what is 9 x 5?
OpenStudy (anonymous):
45
OpenStudy (anonymous):
then you did your math incorrectly :P
OpenStudy (anonymous):
It only goes into 37 4 times
OpenStudy (anonymous):
You are going to have a remainder
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OpenStudy (anonymous):
So now what is 9 x 4?
OpenStudy (anonymous):
36
OpenStudy (anonymous):
There you go. Now, subtract 36 out of 37... How much are you left with?
OpenStudy (e.mccormick):
Here is a review of the first one for you:
\(6\dfrac{7}{8} \implies\)
\(6 + \dfrac{7}{8}\)
Rule of common denominator: to add fractions they must have a common denominator.
\[6 + \dfrac{7}{8} \implies\\[4 pt]
\dfrac{6}{1} + \dfrac{7}{8} \implies\\[4 pt]
\dfrac{6}{1}\times \dfrac{8}{8} + \dfrac{7}{8} \implies\\[4 pt]
\dfrac{48}{8} + \dfrac{8}{8} \implies\\[4 pt]
\dfrac{48 +7}{8} \implies\\[4 pt]
\dfrac{55}{8}\]
That is with the technical stuff on how it works.
OpenStudy (anonymous):
oh and as for futerness i am left with 1
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OpenStudy (anonymous):
Mkay. So we had 9 go into 37 4 times, and had 1 left over. So what do you think the answer is?
OpenStudy (anonymous):
C
OpenStudy (anonymous):
Not quite. We brought 4x9 out, and are left with 1. You still use the original denominator. Try agian
OpenStudy (anonymous):
D
OpenStudy (anonymous):
Why do you think it's D?
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OpenStudy (anonymous):
my intuition
OpenStudy (anonymous):
:P If you're confused on any particular part, just let me know. I want you to understand it so you do well in the future.
OpenStudy (anonymous):
so it is D?
OpenStudy (anonymous):
The answer is B. We took 4 of the 9's out, and are left with 1/9.
OpenStudy (anonymous):
omg I feel silly
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