WORD PROBLEMS: Solving Equations

Download Report

Transcript WORD PROBLEMS: Solving Equations

Warm-up 9/28
Solve…..
1. 3 2π‘₯ βˆ’ 5 = 7 π‘₯ + 1 βˆ’ 3
2.
π‘š+1
3
=9
3. The length of a rectangle is 3 inches longer than twice the
width. The perimeter of the rectangle is 36 inches. What are the
dimensions of the rectangle?
1. (3)
2. (4)
3. (a) 8x-28
(b) -3x-18
(c) 5x-8
4. (a) x=7
(b) x=11
(c) -3
(e) y= -8
(f) x=5/3
(d) x=21
5. (a) 7 (x+6) = 49
(b)
3
2
x= 1
π‘₯ βˆ’ 2 = 2π‘₯ + 1
6. (a) 8(2x+5)
(d) 2x+10
x= -8
(b) 8(2 βˆ™ 3 + 5) =88
(c) 8 2π‘₯ + 5 = 160
x= 7.5
WORD PROBLEMS:
Solving Equations
NUMBER PROBLEMS
1. When 4 times a number is increased by 40, the answer is the
same as when 100 is decreased by the number. Find the
number.
NOW YOU TRY #2!
GENERAL PROBLEMS
1. A repair bill on a sailboat came to $1603, including $532 for
parts and the remainder for labor. If the cost of labor is $63
per hour, how many hours of labor did it take to repair the
sailboat?
NOW YOU TRY #2!
GENERAL PROBLEMS
3. The perimeter of a rectangle is 30 inches. If the length is one
inch longer than the width, find the dimensions of the rectangle.
BREAK-EVEN PROBLEMS
1. You are choosing between two health clubs. Club A offers
membership for a fee of $40 plus a monthly fee of $25. Club
B offers membership for a fee of $15 plus a monthly fee of
$30. After how many months will the total cost at each
health club be the same?
NOW YOU TRY #2!
CONSECUTIVE INTEGER PROBLEMS
1. Find two consecutive integers whose sum is 123
CONSECUTIVE INTEGER PROBLEMS
3. Find two consecutive EVEN integers whose sum isβˆ’38.
CONSECUTIVE INTEGER PROBLEMS
6. Find three consecutive ODD integers whose sum is 75.
HOMEWORK:
FINISH WORD PROBLEM
WORKSHEET
Credit will ONLY be given if you write an
equation and solve it!