Answer:
69
Step-by-step explanation:
If she is averaging 65% of the worth of lectures.
the lectures she had was supposedly rated out of 60. Therefore, the 65% will be 65% of 60(total grade)
0.65 * 60 = 39
On the second part, if we apply the same method, we have
0.75 * 40 = 30
All we have to do on add both together
39 + 30 = 69.
therefore, get total grade in the course is 69
The expression
can be written in multiplication problem as:
or 
Step-by-step explanation:
We need to find What multiplication problem is equivalent to 
We are given: 
Writing it in multiplication problem.
When division sign is changed to multiplication sign, the fraction is reciprocated.

Converting division into multiplication

or we can write as:

So, the expression
can be written in multiplication problem as:
or 
Keywords: Solving Fractions
Learn more about Solving Fractions at:
#learnwithBrainly
$6469.177
I could be wrong but I'm pretty sure that is right.
Answer:
-1.23076923077
Step-by-step explanation:
Answer:
Raymond's mistake was on the last step, since he didn't square root both sides
The correct answer should be

Step-by-step explanation:

Good luck!