SOLUTION: On a certain test each question in Part A was worth 4 points and each question in Part B was worth 6 points. George answered 15 questions correctly and had a point total of 76. How

Algebra ->  Expressions-with-variables -> SOLUTION: On a certain test each question in Part A was worth 4 points and each question in Part B was worth 6 points. George answered 15 questions correctly and had a point total of 76. How      Log On


   



Question 1101913: On a certain test each question in Part A was worth 4 points and each question in Part B was worth 6 points. George answered 15 questions correctly and had a point total of 76. How many questions did he answer correctly in each part of the test.
Only one variable and please have a LET Statement.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
I'll show you with two variables and you can turn it into one.
f+s=15
f=15-s
4f+6s=76
4(15-s)+6s=76
60-4s+6s=76
2s=16
s=8