math
posted by Jennifer
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade:
w2d2
x is her last score which has not been taken. Explain this equation and the process you would use to solve for the unknown test score. Solve for the test score.
** could you please elaborate on how you came to the conclusion of the answer?
Thank you!

PsyDAG
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.
See your later post.
Respond to this Question
Similar Questions

math for 6 grade
write and solve an eqution for the following: there are 17 children in the class. 5 more join the class. how many students are in the class. 
math
I am so bad at word problems! Help me find out how to figure this one out. 1/5 of the boys are absent and 2/5 of the girls are absent in Drew’s class. Bert thinks that you multiply, so his answer is 2/5 of the class are out. Elmo … 
algebra
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which … 
math
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X  > or … 
math
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X ___________ > 4 x … 
3rd Grade Math
There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class? 
English
He has stopped taking boxing lessons and goes to the ballet class. (In this sentence, what does 'class'mean? 
Math
I'm trying to figure out the mode and modal class and the numbers that are the mode are 17, 20, 24, 25, 31, 33 from a set of numbers. (I already figured that part out). My question is what of those numbers is the modal class or in … 
stat
A contract employs three types Class A , Class B and class c. to class A workers, he pays an average monthly salary of $ 400, to class B workers, he pays an average monthly salary of $ 320 and to class C workers he pays an average … 
English
There are 7 classes for first year students. Each class is composed of about 30 students. Emily is a student of Class 12. One of his classmates who went to the same elementary school asks: Which class are you in?