Unit Rates and Better Buy Solo Assignment

The store was selling 4 chocolate bars for $2.00. How much would one chocolate bar cost?

• $1.00 per bar

• $2.00 per bar

• $0.50 per bar

• $0.25 per bar

Answer explanation

To find the cost of one chocolate bar, divide the total cost by the number of bars: $2.00 ÷ 4 = $0.50. Therefore, one chocolate bar costs $0.50.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Ellie made $45 babysitting for 6 hours. How much does she make per hour?

• $45 per hour

• $7.50 per hour

• $2.70 per hour

• $6.70 per hour

Answer explanation

To find Ellie's hourly rate, divide her total earnings by the number of hours worked: $45 ÷ 6 hours = $7.50 per hour. Therefore, the correct answer is $7.50 per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the unit price of this item?

• $0.263

• $3.95

• 15 oz

• Unit price is not listed

Answer explanation

The unit price is calculated by dividing the total price by the quantity. Here, $0.263 is the correct unit price, indicating the cost per ounce for the item, while the other options do not represent a unit price.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

When comparison shopping the biggest/bulk item is going to be the best deal?

• Always

• Sometimes

• Never

Answer explanation

The biggest/bulk item may not always be the best deal due to factors like quality, expiration dates, or specific needs. Therefore, it's accurate to say that it is sometimes the best deal.

Tags

CCSS.6.RP.A.3B

Which is the better buy?

• A 4 pack of t-shirts for $2.24

• A 6-pack of t-shirts for $3.12

• An 8 pack of t-shirts for $4.24

Answer explanation

To find the best buy, calculate the price per t-shirt. The 6-pack costs $3.12, making it $0.52 each. The 4-pack is $0.56 each, and the 8-pack is $0.53 each. Thus, the 6-pack is the best value.

Tags

CCSS.6.RP.A.3B

Which of the following is an example of a unit rate?

• 16 miles / 6 days

• 15 words / 30 seconds

• $3.18 / a slice of pizza

• $15.82 / two movie tickets

Answer explanation

A unit rate compares a quantity to one unit of another quantity. '$3.18 / a slice of pizza' shows the cost per single slice, making it a unit rate. The other options do not express a rate per one unit.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Alex earned $20.40 in 3 hours. What is his unit rate in dollars per hour?

• $7.80 per hour

• $6.50 per hour

• $6.80 per hour

• $17.40 per hour

Answer explanation

To find the unit rate, divide the total earnings by the total hours: $20.40 ÷ 3 hours = $6.80 per hour. Therefore, the correct answer is $6.80 per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A bag of oranges cost $3.40. How much would 4 bags cost?

• $12.60

• $12.80

• $13.80

• $13.60

Answer explanation

To find the cost of 4 bags of oranges, multiply the cost of one bag ($3.40) by 4. So, $3.40 x 4 = $13.60. Therefore, the correct answer is $13.60.

Tags

CCSS.6.NS.B.3

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute

• 100 words per minute

• 400 words per minute

• 412 words per minute

Answer explanation

To find words per minute, divide the total words by the total minutes: 408 words ÷ 4 minutes = 102 words per minute. Therefore, the correct answer is 102 words per minute.

Tags

CCSS.MATH.CONTENT.7.RP.A.1

I paid $15.00 for 6 gallons of gasoline.
What was the price PER gallon?

• $0.40

• $9.00

• $2.50

• $0.90

Answer explanation

To find the price per gallon, divide the total cost by the number of gallons: $15.00 ÷ 6 = $2.50. Therefore, the price per gallon is $2.50.

Tags

CCSS.MATH.CONTENT.7.RP.A.1