Wednesday

January 28, 2015

January 28, 2015

Posted by **fussiilat** on Thursday, September 14, 2006 at 5:14am.

(N-3)/4 = (N-7)/3 +2

check my thinking.

I see annonymous simply handed you an equation without any explanation. We need to convert the word problem to some algebraic equation(s) we can solve.

Let S be the number of sweets in the bag.

Suppose you remove 3 and divide by 4, then this is

(S-3)/4

Since this is two fewer than something else we add two to it

(1) (S-3)/4 + 2

and this is the same as

(2) (S-7)/3

So (1) should = (2) or

(S-3)/4 + 2 = (S-7)/3

If you know how to handle equations, then the rest is algebra, if not, here would be the steps to find S

Since you have fractions, it's best to multiply by a common denominator to clear them. The LCD of 4 and 3 is 12.

12((S-3)/4 + 2) = 12(S-7)/3 this becomes

3(S-3) + 24 = 4(S-7) I'll let you finish it.

When you remove 3 and divide by 4 you should get 10. When you remove 7 and divide by 3 you should get 12. Always verify your arithmetic.

- maths linear eqautions -
**elmo**, Saturday, March 22, 2008 at 10:50am43 :D

**Answer this Question**

**Related Questions**

Maths P5 - Mr Neo has fewer than 200 sweets. He wants to give his class an equal...

math - Alvin, Calvin and Melvin each have some positive integer number of sweets...

algebra - Alvin, Calvin and Melvin each have some positive integer number of ...

algebra - Alvin, Calvin and Melvin each have some positive integer number of ...

math - The number of sweets in Container X was 24 more than Container Y. When I ...

MATH - The ratios of the number of sweets Abigail has to the number of sweets ...

maths - On children's day, a teacher brought 63 erasers and 147 sweets to ...

word problem - Rahim has 5 boxes of sweets.Each box contains y sweets.His ...

math - a bag of marbles can be divided evenly among two, three, or four friends...

math - The owner of a candy store packs all of the sweets from a box into ...