How to Solve Algebraic Word Problems

Deon wants to go on a camping trip that will cost $199.  He paid a deposit of $55 and will save an additional $18 per week to pay for the trip. Which equation shows ow many weeks will he need to save to pay off his trip?

• 18w + 55 = 199

• 18w - 55 = 199

• 18w - 199 = 55

• 55w - 18= 199

Sal purchased a computer for $650. He paid $105 initially and will pay $20 per month until the computer is paid off.  How many months will he have to pay before his computer is paid off?

• 20x + 105 = 650

• 105x + 20 = 650

• 650x - 20 = 105

• 20x - 105 = 650

Sal purchased a computer for $650. He paid $105 initially and will pay $20 per month until the computer is paid off. Which equation shows ow many months will he have to pay before his computer is paid off?

• 20x + 105 = 650

• 105x + 20 = 650

• 650x - 20 = 105

• 20x - 105 = 650

The Johnson family wants to join a gym.  There is a fee of $125 to join plus $45 per month membership fee.  They budgeted $800 for the gym membership.  Which equation shows how many months will they be able to have a membership?

• 125 + 800x = 45

• 45x + 125 = 800

• 125x + 45 = 800

• 45x - 125 = 800

A cell phone company charges $40 per month plus a $35 activation fee. What is the expression for the total cost for m months?

• 40 - 35m

• 40m - 35

• 40m + 35

• 40 + 35

Jordan bought pencils for school.  Each pencil cost $.10.  Let p  represent the number of pencils she bought. Write an expression for the total amount she spent.

• p / .10

• .10p

• p +.10

• p- .10 

Tickets to the aquarium cost $27 per person. Write an expression to represent the total cost of tickets for a group of people. Let n represent the number of people in the group.

• 27 + n

• 27n

• 27/n

• 27 - n

An ice cream shop charges $3.39 for a dish of ice cream. A customer can also order toppings for $0.59 each. If x represents the number of toppings, which expression can be used to determine the total charge, in dollars, for a dish of ice cream with x toppings?

• 339x + 0.59

• 3.98 + x

• 3.39 + 0.59x

• 3.98x

Patsy earns $14 per hour at her job.  She worked h hours last week.  Which expression can be used to find how much Patsy earned last week?

• 14 + h

• 14 - h

• 14h

Five more than half a number is six. Find the number.

• -2

• 2

• 1

• -1