Posted by Anonymous on Friday, August 30, 2013 at 5:04pm.
NR
+ RN

ABC
The addition problem above is correct. If N, R, A, B, and C are different digits, what is the greatest possible value of B+C?

SAT Math  Steve, Friday, August 30, 2013 at 6:24pm
RN cannot be 99, since R≠N
If RN=98 then
98+89 = 187
So, B+C=15
That's my final answer.
If B+C=16, then since B≠C, the digits must be 79. 97+79=176, B+C=13
it's also easy to show that B+C≠17 or 18

SAT Math  chris, Tuesday, March 4, 2014 at 3:51pm
It is 11
Answer This Question
Related Questions
 sat math  if NR+RN=ABC where A,B,C,N and R are digits what is maximum value of ...
 MATHS  In this addition each letter represents a digits. Different letters ...
 Math  SAT dread. 1. If n and p are integers greater than 1 and if p is a factor...
 Algebra 8th  Find the greatest possible error for each measurement. 953 mi 0.5 ...
 math  X3Y+5YX = 1,33X In the correctly worked addition problem above, X and Y ...
 math  X3Y+5YX = 1,33X In the correctly worked addition problem above, X and Y ...
 Math  AB+BA = 1A4 In the correctly worked out addition problem above, A and B ...
 5th grade math  In the multiplication problem at the right different letters ...
 Math  Using the digits 2, 3, and 5 exactly once to form two different factors, ...
 Math  The letters A,B,and C represent three different digits. Determine the ...
More Related Questions