Algebraic expressions

Movie tickets cost $10 and parking cost $5 per car how much does it cost for 1 person in a car to go to the movies?

• 10x5

• 10+5

• 10(1)+5

• 15

A plumber charges $50 to make a house call plus $40 for each hour worked. What is the expression?

• 50x + 40

• 50x + 40x

• 50 + 40x

• 90x

Garrick buys 5 loaves of bread and 8 cans of tuna for a picnic. Tanya buys a loaf of bread and 2 cans of tuna. If b represents the cost of a loaf of bread and t represents the cost of a can of tuna, which algebraic expression represents the total cost?

• 10b + 6t

• 5b + 10t

• 6b + 10t

• 6b - 10t

Arlene has a gift card for the local lawn and garden store. She uses the gift card to rent a tiller for 4 days. It costs $35 a day to rent the tiller. She also buys a rake for $9. What expression for the change in value of her gift card.

• -4(-35) + 9

• 4(35) + 9

• 4(35) - (-9)

• 4(-35) - 9

13.   An appliance repairman charges a fee of $65 to drive to your home plus a rate of $50 per hour for repairing the appliance.  Which expression could be used to calculate your bill?

• 50h + 65
• 65h + 50h
• (50 + 65) h
• 65h + 50

Johnny has a strawberry farm and allows people to come to the farm to pick strawberries. He charges an admission fee for each person and he charges for each pound of strawberries that they collect. The expression 20 + 15x represents the total that each person pays to pick strawberries.

What does the constant represent?

• the admission fee

• the number of pounds of strawberries collected

• the cost per pound of strawberries

• the total that each person pays to pick strawberries

Jeff bought x number of games for $32.50 each. He paid with a $100 bill. Which expressions represents the amount Jeff received back from the cashier?

• 32.5 + x - 100

• 100 - 32.5x

• 32.5x - 100

• 100x + 32.5

A babysitter earns $8 an hour for babysitting 2 children and an additional $3 tip when both children are put to bed on time.  If the babysitter gets the children to bed on time, what expression could be used to determine how much the babysitter earned?

• 8x+3 where x is the number of hours
• 3x+8 where x is the number of hours
• x(8+2) + 3 where x is the number of children
• 3x+(8+2) where x is the number of children

Mary bought lunch at Jimmy's Cafe. She purchased some chicken fingers (c) for $1.25 each and a soda for $2.50. Write an expression for the situation.

• 2.50c - 1.25

• 2.50c + 1.25

• 1.25c + 2.50

• 1.25c - 2.50

A government estimates the cost to design new radar technology over a period of "m" months. The government estimates $840,000 for equipment, $15,000 for software, and $40,000 per month for wages. Use an algebraic expression to find the total cost the government estimates when the project takes 16 months to complete.