Word Problems
Sarah works at T-Mobile and gets paid $400 a week in addition to $40 for each cell phone plan she sells. If she made $560 last week, how many cell phone plans did she sell?
560 = 40x + 400
x= 4 cell phone plans
2x + 11 =31
x = 10
4(x+10) = 48
x=2
12x+5 = 6x+17
x = 2
Josh can rent a car for $25 a day and an $80 dollar fee for insurance. If his total bill was $230, how many days did he rent the car? Write an equation to represent the situation and then solve.
230 = 25x + 80
x = 6 days
-4x - 9 = -21
x=3
-5(x-9) = 35
x = 2
10 - x = x+2(x-5)
x = 5
Aliyah had $26 to spend on five pens. After buying them she had $16. How much did each pen cost?
$2
5x - (-3) = -7
x = -2
(x+6)/4=12
x = 42
1/2(18x - 8) = 6x- 13
x = -3
Imani spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is her weekly allowance if she ended with $24?
$40
x/2 +4=12
x=16
-4x + 6 -3x = -8
x=2
3(2x+4) = 5(3x - 3)
x = 3
Tree A was was 2 feet when planted and grew 4 feet per year. Tree B was 6 feet when planted and grew 2 feet a year. When will the two trees be the same height? Write and equation to represent the situation and then solve.
2 + 4x = 6 + 2x
x= 2 years
x/3 - 5 = -2
x=9
-3(4x + 5) + 2x = -65
x=5
2x + x - 9 = -2x + 11x - 2x -21
x = 3