Creating Equations Based on Word Problems

You mailed 20 identical Christmas cards weighing more than 1 ounce each.  Mailing each card costs $.44 for the first ounce, plus .17 for each additional ounce.  The postage for all cards totalled $15.60.

• 20(.17w) = 15.60

• 20(.44w) = 15.60

• 20(.17w + .44) = 15.60

• 20(.44w + .17) = 15.60

You bought a magazine for $8 and 6 erasers.  If you spent a total of $11, then how much did each eraser cost?

• $3.00

• $2.00

• $.50

• $.625

You decide to rent a bike for $25 plus $3.00 per hour.  If you spent a total of $40.00, how many hours did you rent the bike?

• 1 hour

• 4 hours

• 2 hours

• 5 hours

You want to buy a new pair of shoes that costs $95.00.  You have already saved up $27.00 and you plan to save $4 per week.  How many weeks until you have enough money to buy the shoes?

• 68 weeks

• 17 weeks

• 91 weeks

• 64 weeks

A group of 8 friends went to a basketball game. They each buy a ticket and decide to share a big bag of popcorn.  One bag of popcorn cost $12.00.  The total cost for all their tickets and one bag of popcorn was $84.00.  How much did each person spend on a ticket?

• $9.00

• $7.00

• $12.00

• $15.00

For a field trip, 13 students rode in cars and the rest filled seven buses.  How many students were in each bus if 251 students were on the trip?

• 231

• 5

• 65

• 34

Half of your baseball card collection got wet and was ruined.  Bought 11 cards to replace some that were lost.  How many did you begin with if you now have 31?

• 40

• 51

• 73

• 62

You take out a loan from a bank for $3600.  You plan to pay back 300 per week.  Which equation would help you solve the number of weeks to pay back the loan?

• 3600 - 300w = 0

• -3600w + 300 = 0

• 0 - 3600 = 300w

• w + 3600 + 300 = 0

Four friends bought pizza.  They all split the cost evenly.  The pizza was $16.00.  The total bill came to $32.00.  Which equation matches this story.

• 4 + 16 = 32

• 16-4 = 32x

• 16 + 4p = 32

• 4p + 16 = 32

Paul bought a notebook for $2.50 and 3 pencils. He spent a total of $5.47. How much did each pencil cost?

• $.99

• $2.97

• $7.97

• $1.17