Equation from Word Problems

Jacob collects hats.  He has 6 hats already, and he collects 2 hats a week.

• y = 2x + 6

• y = 6x + 2

• y = 2x - 6

• y = 6x - 2

A taxi charges a fixed fee plus a charge per mile (x = miles). The total cost can be calculated with the equation:

f(x) = 2.75x + 4.25

What does 2.75 represent?

• The total cost of the fixed fee plus charge per mile

• The charge per mile

• Miles

• The fixed fee

• Karma

A taxi charges a fixed fee plus a charge per mile (x = miles). The total cost can be calculated with the equation:

f(x) = 2.75x + 4.25

What does f(x) represent?

• The total cost of the fixed fee plus charge per mile

• The charge per mile

• Miles

• The fixed fee

• Karma

A taxi charges a fixed fee plus a charge per mile (x = miles). The total cost can be calculated with the equation:

f(x) = 2.75x + 4.25

What does 4.25 represent?

• The total cost of the fixed fee plus charge per mile

• The charge per mile

• Miles

• The fixed fee

• Karma

A taxi charges a fixed fee plus a charge per mile (x = miles). The total cost can be calculated with the equation:

f(x) = 2.75x + 4.25

What does x represent?

• The total cost of the fixed fee plus charge per mile

• The charge per mile

• Miles

• The fixed fee

• Karma

A group of 3 friends each have video games at their home.  Then each friend buys 5 more video games.  Now the three friends have a total of 30 video games.  How many video games did each friend start with?

• 3(x+5) = 30

• x(3+5) = 30

• 5(x+3) = 30

• 30(3+5) = x

Last season, I spent $2752 to see my team play 43 games.  To see each game, I had to buy a ticket and pay $10 for parking.  How much was each ticket?

• 10(x+43) = 2752

• x(10+43) = 2752

• 43(x+10) = 2752

• 2752(43+x)=10

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