...Beauty, cleaning, DIY tips and more - free to join!
   Login   Contact us   Site map   Puzzle Club   Ask a question    Newsletter

Maths

what is the answer of a+b=40 b+c=35 a+b+c=100 what is the answer
Question asked by: felly boy

Asked on: 05 Mar 2009
Profile image!
A+b=40
b+c=35
a+b+c=100

You need to substitute in to answer this one.

We know that a + 35 = 100, so a = 65
a + b = 40, so 65 + b = 40, so b = -25
b + c = 35, so - 25 + c = 35, so c = 60

check: a + b + c = 100, and 65 - 25 + 60 = 100 so we are correct.

By: knowitall
Replied at: 11 Mar 2009
Rate Answer
Comment or provide your answer to this question
No comments have been added to this question "Maths".
 Ask a New Question

 Find out more about Maths

 Maths Questions and Answers

 miscellaneous maths Questions and Answers

 Next question: a positive number when divided by 35 gives a remainder 3. what will be the remainder when this number is divided by 7?

random member pics
Become a Member! It's Free >>>

Puzzles

Question Keywords

maths  

More Questions:

Finding The Number
L'Hopiital Rule
What Is 10 To The Power Of 1000