2.1 Interpret the algebraic expression in context

George is buying watermelons and pineapples to make fruit salad. He buys w watermelons at $4.49 each and p pineapples at $5 each. What does the expression 4.49w + 5p represent?

• The expression represents the total cost of w watermelons and p pineapples.

• The expression represents the total Amount of w watermelons and p pineapples.

• The expression represents the total Weight of w watermelons and p pineapples.

The number of bees that visit a plant is 500 times the number of years the plant is alive, where t represents the number of years the plant is alive. What does the expression 500t represent?

• The expression represents the total number of bees that die each day.

• The expression represents the total number of bees that will visit the plant in its lifetime.

• The expression represents the total number of days the plant will be alive

• The expression represents the number of plants in the garden that bees are attracted to.

Lorenzo buys 3 shirts at s dollars each and 2 pairs of pants at p dollars a pair. What does the expression 3s + 2p represent?

• The expression represents the total amount of shirts and pairs of pants he buys.

• The expression represents the number of shirts and pants he wears each month.

• The expression represents the total cost of 3 shirts and 2 pairs of pants.

If a car travels at a speed of 25 mi/h for t hours, then travels 45 mi/h for m hours, what does the expression 25t + 45m represent?

• The expression represents the total distance traveled by the car.

• The expression represents the total amount of gas in gallons used by the car.

• The expression represents the total cost of gas required by the car.

• The expression represents the total amount of time traveled by the car.

The price of a sandwich is $1.50 more than the price of a smoothie, which is d dollars. What does the expression d + 1.5 represent?

• The expression represents the size of a sandwich.

• The expression represents the price of a sandwich.

• The expression represents the weight of a smoothie.

• The expression represents the price of a smoothie.

A bicyclist travels 1 mile in 5 minutes. If m represents minutes, what does the expression : m÷5 represent?

• The expression represents the time the bicyclist spent traveling in 5 minutes.

• The expression represents the speed the bike travels in 5 minutes.

• The expression represents the number of miles the bicyclist travels in m minutes.

Yolanda is buying supplies for school. She buys n packages of pencils at $1.40 per package and m pads of paper at $1.20 each. What does each term in the expression 1.4n + 1.2m represent? What does the term 1.4n represent?

• The term 1.4n represents the cost of n packages of paper at $1.40 per package.

• The term 1.4n represents the cost of n packages of pencils at $1.40 per package.

• The term 1.4n represents the amount of pencils that Yolanda can buy with $1.40.

• The term 1.4n represents the amount of paper Yolanda can buy with $1.40.

Yolanda is buying supplies for school. She buys n packages of pencils at $1.40 per package and m pads of paper at $1.20 each. What does each term in the expression 1.4n + 1.2m represent? What does the term 1.2m represent?

• The term 1.2m represents the amount of m pads of paper at $1.20 per pad.

• The term 1.2m represents the cost of m pads of pencils at $1.20 per pad.

• The term 1.2m represents the cost of m pads of paper at $1.20 per pad.

• The term 1.2m represents the amount of m pads of pencils at $1.20 per pad.

Chris buys p pairs of pants and 4 more shirts than pairs of pants. Shirts cost $18 each and pair of pants cost $25 each. What does each term in the expression 25p + 18(p + 4) represent? What does the term 25p represent?

• The term 25p represents the cost p pairs of shirts at $25 each.

• The term 25p represents the amount of pairs of pants she can buy with $25.

• The term 25p represents the cost p pairs of pants at $25 each.

• The term 25p represents the amount of shirts she can buy with $25.

Chris buys p pairs of pants and 4 more shirts than pairs of pants. Shirts cost $18 each and pair of pants cost $25 each. What does each term in the expression 25p + 18(p + 4) represent? What does the term 18(p+4) represent?

• The term 18(p + 4) represents the cost of the shirts at $18 per shirt

• The term 18(p + 4) represents the cost of the pants at $18 per pair.

• The term 18(p + 4) represents the amount of the shirts he can buy with $18.

• The term 18(p + 4) represents the amount of the pants he can buy with $18.