Equation Word Problems

WRITE AN EQUATION
The sum of three consecutive even numbers is 48. What are the smallest of these numbers?

• 3x = 48
• x + x + 1 + x + 2 = 48
• 3x + 6 = 48
• 48/x = 48

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

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

Tags

CCSS.HSA.CED.A.3

WRITE AN EQUATION
Jill sold half of her comic books and then got sixteen more. She now has 36. With how many did she begin?

• x/2 + 16= 36
• 36 + 16 = x
• x/2 - 16 = 36
• x/2 = 36 + 16

Pristine House Cleaners charges $19.85 plus $32 a room. Sparkle House Cleaners charges $61.85 plus $18 a room. Write and solve an equation to find the number of rooms for which the total cost of both house cleaners is the same.

• 4 Houses

• 1/3 Houses

• 3.5 Houses

• 3 Houses

Tags

CCSS.7.EE.B.4A

Question #7: Greg is saving to buy a tablet that costs $235. He already has $25. Each week, Greg earns $15 babysitting and $25 as a cashier, but he spends $10 on lunches. Write and solve an equation to find how many weeks Greg will have enough money saved.

• 8.7 Weeks
• 7 Weeks
• 6 Weeks

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

The sum of two consecutive integers is -45. What is the first integer?

• n + (n + 1) = -45
• n + n = -45
• n + 2n = -45
• 2n = -45

The length of a rectangle is 3 inches more than its width.  The perimeter of the rectangle is 30 inches.  What is the length of the rectangle?

• 9
• 6
• 3
• 18

4 times a number increased by 5 is the same as 3 times the difference of a number and 2.  Which of the following equations would find the number?

• 4n + 5 = 3n - 2
• 4n + 5 = 3(n - 2)
• 4n+5 = 3(n + 2)
• 4n + 5 = 3 - 2n

In a pasture, there are horses and chickens. If there are a total of 28 animals and 80 legs, how many chickens and horses are there?

• 10 horses, 18 chickens
• 16 horses, 12 chickens
• 12 horses, 16 chickens
• 18 horses, 10 chickens

Tags

CCSS.8.EE.C.8C