Thread: Word Problems - Algebra.

1. Word Problems - Algebra.

How would I write this as equation?
1. Solve the following word problem by writing an equation and solving it.
Mary has 5 fewer CDs than Austin. Mary has 14 CDs. How many CDs does Austin have?

2. Originally Posted by deekay930
How would I write this as equation?
1. Solve the following word problem by writing an equation and solving it.
Mary has 5 fewer CDs than Austin. Mary has 14 CDs. How many CDs does Austin have?
Let x be the amount Mary has and y the amount Austin has

$\displaystyle x = y-5$

It is known that $\displaystyle x=14$ so $\displaystyle 14=y-5$

It should not be hard to see that $\displaystyle y = 19$ and therefore Austin has 19 CDs

3. Originally Posted by e^(i*pi)
Let x be the amount Mary has and y the amount Austin has

$\displaystyle x = y-5$

It is known that $\displaystyle x=14$ so $\displaystyle 14=y-5$

It should not be hard to see that $\displaystyle y = 19$ and therefore Austin has 19 CDs

thanks so much.