Which size bottle of ketchup is the best deal with the lowest unit price? Prices for Different Sizes of Bottles of Ketchup Size
2 answers:
Answer:
Option b. 14 oz
Step-by-step explanation:
We have to find which size of bottle of ketchup is the best deal with the lowest unit price.
Prices for different sizes of bottles are given we have to calculate the unit price of each bottle.
a. 10 oz = $2.50
Cost per oz = = $0.25 per oz
b. 14 oz = $2.80
Cost per oz = = $0.20 per oz
c. 16 oz = $4.00
Cost per oz = = $0.25 per oz.
d. 18 oz = $5.40
Cost per oz = = $0.30 per oz
Therefore, the lowest price of the bottle of 14 oz.
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The fraction which produce an equivalent fraction with a rational denominator is
Explanation:
The equation is
To find the rational denominator, let us take conjugate of the denominator and multiply the conjugate with both numerator and denominator.
Rewriting the equation, we have,
Multiplying, we get,
Simplifying the denominator, we get,
Subtracting, the values of denominator,
Dividing the numerator and denominator,
Hence, the denominator has become a rational denominator.
Thus, the fraction which produce an equivalent fraction with a rational denominator is