Which of the following cereals is the best buy?
(1 point)
Responses
28 oz. of cereal for $4.29
28 oz. of cereal for $4.29
32 oz. of cereal for $4.59
32 oz. of cereal for $4.59
36 oz. of cereal for $4.79
36 oz. of cereal for $4.79
24 oz. of cereal for $3.59
To determine the best buy, we need to calculate the unit price for each cereal.
The unit price is calculated by dividing the cost by the number of ounces.
For the first option: 4.29 / 28 = $0.15 per oz
For the second option: 4.59 / 32 = $0.14 per oz
For the third option: 4.79 / 36 = $0.13 per oz
For the fourth option: 3.59 / 24 = $0.15 per oz
Based on the unit price, the third option of 36 oz. of cereal for $4.79 is the best buy, as it has the lowest unit price at $0.13 per oz.
A whole number is added to a number with two digits after the decimal point. To make sure the answer is reasonable, how many digits should the sum have after the decimal point?
(1 point)
Responses
none
none
1
1
2
2
infinitely many
To determine the best buy among these cereals, we need to compare the price per ounce.
For the first option, the price is $4.29 for 28 oz. To calculate the price per ounce, we divide the total price by the number of ounces:
Price per ounce = $4.29 / 28 oz = $0.1532/oz.
For the second option, the price is $4.59 for 32 oz.
Price per ounce = $4.59 / 32 oz = $0.1434/oz.
For the third option, the price is $4.79 for 36 oz.
Price per ounce = $4.79 / 36 oz = $0.1331/oz.
For the fourth option, the price is $3.59 for 24 oz.
Price per ounce = $3.59 / 24 oz = $0.1496/oz.
Comparing the price per ounce, the third option with 36 oz. of cereal for $4.79 has the lowest price per ounce ($0.1331/oz), making it the best buy among the given options.
To determine the best buy among these cereals, we need to compare the price per ounce for each option. To calculate the price per ounce, we divide the total price by the number of ounces.
For the first option, we have 28 oz. of cereal for $4.29, so the price per ounce is 4.29 / 28 = $0.153 per ounce.
For the second option, we have 32 oz. of cereal for $4.59, so the price per ounce is 4.59 / 32 = $0.143 per ounce.
For the third option, we have 36 oz. of cereal for $4.79, so the price per ounce is 4.79 / 36 = $0.133 per ounce.
For the fourth option, we have 24 oz. of cereal for $3.59, so the price per ounce is 3.59 / 24 = $0.150 per ounce.
Comparing the price per ounce for each option, we can see that the third option, 36 oz. of cereal for $4.79, has the lowest price per ounce at $0.133 per ounce. Therefore, the best buy among these cereals is the 36 oz. option.