Matching Expressions to Word Problems

There are x people riding on the bus. 2 people get on and then 4 people get off. How many people are on the bus?

• x+2+4

• x+2-4

• x*x+7

• 2+4

The product of a number and 9, decreased by 5

• (9+n)-5

• 9*(x-5)

• 9x-5

• not here

Josh has 2 bags of jelly beans. One bag has 67 jellybeans. The other bag had 43 but he ate x of them. How many jellybeans does he have all together?

• 3x+8

• 2*67-43

• 43+67-x

• 67 + (43-x)

At Ashleys house there are x trees. At Sams house there were 8 times the number of trees as there is at Ashleys, but 3 were cut down. How many trees are at Sams house?

• 3x-8

• 3-x-8

• 8x+3

• 8x-3

Sheryl earns money for college by walking dogs and by mowing lawns. She earns $3  for each dog she walks and $25 for each lawn she mows. Which expression can be used to determine the amount of money, in dollars, Sheryl earns from walking w dogs and mowing m lawns?

• 3w + 25m

• 28(m + w)

• 3w + 25

• 75(w + m)

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

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. What are the important parts of this problem that can help you write an algebraic expression?

• The aquarium is a fun place to go.

• Tickets cost $27 per person

• n stands for the number of people in the group

• I am trying to find the total cost of tickets for the whole group

• This is an algebra problem.

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

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

Students brought in 300 canned goods for the food drive on Monday. On Tuesday students brought in x more than the day before. Write an expression for how many canned goods students brought on Tuesday.

• 300 + x

• 300 - x

• 300x

• x - 300