Which of the following cereals is the best buy?
28 oz. of cereal for $4.29
32 oz. of cereal for $4.59
36 oz. of cereal for $4.79
24 oz. of cereal for $3.59
To determine the best buy, we need to calculate the price per ounce for each cereal option.
For the first option, 28 oz. of cereal for $4.29, the price per ounce is:
Price per ounce = $4.29 / 28 oz. = $0.153 or $0.15 (rounded to the nearest cent)
For the second option, 32 oz. of cereal for $4.59, the price per ounce is:
Price per ounce = $4.59 / 32 oz. = $0.143 or $0.14 (rounded to the nearest cent)
For the third option, 36 oz. of cereal for $4.79, the price per ounce is:
Price per ounce = $4.79 / 36 oz. = $0.133 or $0.13 (rounded to the nearest cent)
For the fourth option, 24 oz. of cereal for $3.59, the price per ounce is:
Price per ounce = $3.59 / 24 oz. = $0.149 or $0.15 (rounded to the nearest cent)
Comparing the price per ounce, the third option, 36 oz. of cereal for $4.79, is the best buy since it offers the lowest price per ounce.
Which of the following are reasonable answers for the product of two negatives and a positive?
20
10
-20
-10
Which of the following are reasonable answers for the product of two negatives and a positive?
1.20
2.10
3.-20
4. -10
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?
To ensure the answer is reasonable when adding a whole number with a number with two digits after the decimal point, the sum should also have two digits after the decimal point.
The correct answers for the product of two negatives and a positive are:
-20
-10
The correct answers for the product of two negatives and a positive are:
3. -20
4. -10