if 5+8=20,then 5+3=?

if 5+8=20

then 5+3=?
in Algebra 1 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

2 Answers

In other word 5+8=13 is mapped into 20:13 is 20 theb 0 is mapped into 7:0 is 7 that is 20=13mod(7)that means the 0 of a number exist is shisted to 7 then 5+3=8 is 15
by Level 12 User (101k points)
5+8=20 then 5+3=15
by Level 12 User (101k points)

Related questions

2 answers
If 5+8=20 then 5+3=?
asked Mar 20, 2013 in Algebra 2 Answers by Jennifer A. Cascaño Level 12 User (101k points) | 759 views
1 answer
if 2 = 6, 3 =12, 4 = 20, 5 = 30, 6 = 42 then 9 = ?
asked Jul 16, 2015 in Word Problem Answers by angie | 730 views
1 answer
If AB=4x+20, and BC=6x-30, then x=?
asked Jan 12, 2014 in Geometry Answers by David | 1.6k views
2 answers
If 11=20, 21=31, 41=52, then 51=????
asked Sep 22, 2013 in Pre-Algebra Answers by anonymous | 1.5k views
1 answer
if 1023=20,0=4 then x=16 find value of x
asked Jul 1, 2013 in Word Problem Answers by vittal Level 1 User (120 points) | 582 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,328 answers
2,420 comments
757,547 users