The box of 100 would be the better deal, considering buying 2 boxes of 50 would turn out to be $47.00
7.91 = 8 21.9 = 22
8 + 22 = 30
Let’s take the number .666666 repeating
If we turn it into a fraction it’s 2/3.
It doesn’t matter how many numbers repeat to write a fraction.
Hope this helps.
For this case, what we are going to do first is to assume that all the exams are worth the same percentage of the final grade.
We have then that Lisa's average grade point equation is:

Where,
x: minimum note that lisa must obtain in the last exam.
Clearing x we have:
Answer:
the lowest grade she can get on her last test is:
x = 94
Y = 3(3) +15
y = 9 + 15
y= 24