Question

At a grocery store, blueberries come packaged in 8-ounce containers for $2.80. At a farmer's market, blueberries cost $4.20 for 14 ounces. There are 16 ounces in one pound. Which statement accurately compares the cost of blueberries?

Blueberries are $0.23 per pound more expensive at the farmer’s market.
Blueberries are $0.50 per pound less expensive at the farmer’s market.
Blueberries are $0.80 per pound less expensive at the farmer’s market.
Blueberries are $1.40 per pound more expensive at the farmer’s market.

Answer 1

Answer: The answer is A: Blueberries are $0.23 per pound more expensive at the farmer’s market.

Step-by-step explanation:

14 ounce = 0.875 pound. Cost of blueberries per pound at Grocery store = dollars. Cost of blueberries per pound at farmer's market = dollars. Hence, at farmers market, blueberries cost $0.80 less for one pound of blueberries.

Answer 2

Blueberries are $0.80 per pound less expensive at the farmer’s market.

Given:

At a grocery store, blueberries come packaged in 8-ounce containers for $2.80. At a farmer's market, blueberries cost $4.20 for 14 ounces. There are 16 ounces in one pound.  

To find:

Which statement accurately compares the cost of blueberries?

Blueberries are $0.23 per pound more expensive at the farmer’s market.

Blueberries are $0.50 per pound less expensive at the farmer’s market.

Blueberries are $0.80 per pound less expensive at the farmer’s market.

Blueberries are $1.40 per pound more expensive at the farmer’s market.

Solution:

Given that at a grocery store, blueberries come packaged in 8-ounce containers for $2.80.  

Cost of 1-ounce blueberries = 2.80/8 = $ 0.35  

Cost of 1 pound i.e 16 ounces = $ 0.35 × 16 = $ 5.6  

It is also given that, at a farmer's market, blueberries cost $4.20 for 14 ounces

Cost of 1-ounce blueberries = 4.20/14 = $ 0.3  

Cost of 1 pound i.e 16 ounces = $ 0.3 × 16 = $ 4.8  

Here, difference between both costs = $ 5.6 - $ 4.8 = $ 0.8

Therefore,

Blueberries are $0.80 per pound less expensive at the farmer’s market.

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