Download Solving Word Problems

Warm – Up
September 3, 2008
1. 5(-2w + 1) + 8w = 15
2. -3x – 8 = -5x – 12
3. |x + 8| + 3 = 14
4. P = 2l + 2w, solve for w
5. -2x + 4 = 5 – 3x
Solving Word Problems
Tackling Word Problems
1. Identify every unknown with a
“let” statement.
• Typically your “x” will be the last
word in the first sentence and the
other unknown will be written in
terms of x.
2. Write an equation for the given
situation.
3. Solve the equation and be sure to
find all unknowns.
Find two consecutive integers
whose sum is 45
Find three consecutive
integers whose sum is 48.
Find three consecutive
even integers whose sum
is 72.
Find three consecutive odd
integers such that the sum of
the smallest and 4 times the
largest is 61.
The length of a rectangle
is 3 times the width. The
perimeter is 96 cm. Find
the width and length.
A triangular sail has a
perimeter of 25 m. Side a is 2
m shorter than twice side b,
and c is 3 m longer than side
b. Find the length of each
side.
Andy is twice as old as Kate.
In 6 years, their ages will total
60. How old is each now?
Melissa is 24 years younger than
Joyce. In 2 years, Joyce will be 3
times as old as Melissa will be
then. How old are they now?