Simply divide the price by the number of ounces to get the price per oz.
$1.39 ÷ 12 = about $.1158 cents per oz
$2.79 = 24 = about $.11625 cents per oz.
By a very small amount the $1.39 bottle is a better deal.
You could also think that $1.39 for 12 oz is $2.78 for 24 (I doubled both numbers)
$2.78 for 24oz is a drop cheaper than $2.79 for 24 oz so $1.39 is a slightly better buy.
Answer:
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Answer:....
Step-by-step explanation:
Answer:
a=2
Step-by-step explanation:
w(1)=2|1|=2
Answer:
f(x) = -1(x+1)² + 9
Step-by-step explanation:
f(x) = -x² - 2x + 8
This is a down-opening parabola. Put the equation into vertex form. The y-coordinate of the vertex is the maximum.
factor out the leading coefficient
f(x) = -1(x²+2x) + 8
Complete the square
coefficient of x term: 2
divide in half: 1
square it: 1²
use 1² to complete the square:
f(x) = -1(x²+2x+1²) + 1² + 8
f(x) = -1(x+1)² + 9
vertex (-1,9)
maximum value of f(x) = 9