Solving Algebraic Equations Word Problems

There are 6 questions on Equations and Inequalities( Lesson 4-4, page 128-129)

Write as an equation or inequality:

Five times a number is equal to 25

• 25x=5

• 5+x =25

• 5x=25

• x-5=25

The combined weight of a truck and its cargo load cannot exceed 5,000 pounds. The cargo load weighs 2,200 pounds. Which of the following could be the weight of the truck?

• 0 pounds

• 3,800 pounds

• 2,700 pounds

• 4,900 pounds

There are 6 questions on Equations and Inequalities( Lesson 4-4, page 128-129)

Solve for x.

x + 12.2 = 21.75

• x = 9.55

• x = 33.95

• x=265.35

• 1.7827

There are 6 questions on Solving Algebraic Equations (Lessons 4-5, 4-6, and 4-7; page 130-135) Solve for the missing dimension in each formula: P=5s when P=125

• s=5

• s=25

• s=125

• s=120

Todd caught three times as many fish this year than last year. He caught 63 fish by the end of the year. Which algebraic equation represents how many fish he caught last year?

• 3f = 63

• 63 - 3 = f

• 63/3 = f

• 3 + f = 63

If Dexter pays $8.90 for his hamburger, how many toppings did he get?

• 3

• 4

• 5

• 6

WRITE AN EQUATION
For a field trip 4 students rode in cars and the rest filled nine buses. How many students were in each bus if 472 students were on the trip?

• 4x=472

• 9x=472

• 4+9x=472

• 4+x=472

WRITE AN EQUATION
You bought a magazine for $5 and four
erasers. You spent a total of $29. How
much did each eraser cost?

• 5 + x = 29

• -5 - 4x = -29

• 5x = 29

• 29 - 5 = -4x

After paying $5.12 for a salad, Norachai has $27.10. How much money did he have before buying the salad?

• n + $5.12 = $27.10

• n - $5.12 = $27.10

• n - $5.12 = -$27.10

• $5.12 - n = $27.10

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat.  Write an equation for C, the total cost, to rent the boat for h hours.

• h = 2C + 15

• C = 15h + 2

• h = 15C + 2

• C = 2h + 15