Write an Equation from Word Problems

Answer question a.

*MAKE SURE A is Capitalize*

Rachel and Sharon are splitting up their Pokemon cards.  Rachel has 4 fewer than 3 times as many as Sharon.  Together they have 100 cards.  Which equation could be used to solve for how many cards Sharon had originally?

• n + (3n - 4) = 100

• n - (3n - 4) = 100

• n + (4 - 3n) = 100

• 4 - 3n = 100

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

Mr. Starky decided to give a pizza party to every class on campus. He bought 189 pizza slices for 5th and 6th grade. He bought 213 pizza slices for 7th and 8th grade. How many pizza slices did he buy total?

• 401

• 5

• 400

• 402

Lindsay had $40. She works at the grocery store and earns $15 each day.
Which equation shows the relationship between Lindsay's savings (y) and the number of days Lindsay works (x)?

• y = 15x + 40

• x = 15y + 40

• y = 40x + 15

• y = 40 - 15x

Ms. Henriquez's brother Alvaro is 5 years older than twice Ms. Henriquez age. Write an expression that represents the relationship of max's age in terms of Ms. Henriquez's age, x.

• 5x + 2

• 2x + 5

• 10x

• 2 + 7 + x

For a show, a band will be paid $150 plus $5 for each ticket sold.  Write an equation for their total payment (p) related to the number of tickets they sell (t).

• p = 150 + 5t

• p = 5 + 150t

• p + 5t = 150

• 5t - 150 = p

Connor has sold 15 cups of lemonade at his stand and will sell 5 more cups per hour. Write an equation to represent this situation.

• y = 10x + 5

• y = 20x

• y = 15x + 5

• y = 5x + 15

Bob's Plumbing charges $15 per hour plus a service fee of $40 for coming out to your house. Which equation models this situation?

• y = 15x + 40

• y = 40x + 15

• y = 15x

• y = 15x - 40

Ace Telecommunications charges $0.12 per minute of phone use plus a monthly service fee of $8.00 for it phone service. Which equation can be used to find c, the total cost for one month when m, minutes are used?

• c = 0.12m + 8m

• c = 8m + 0.12m

• c = 0.12m + 8

• c = 0.20m