The answer to this question is A.
Answer: 112 oz
First we have to work with the same units. According to the International System of Units (SI), the Liter (L) is the unit of measurement for liquids, however, we are going to use the ounce (oz) in this case, as it is the unit of measure of the juice that Katie's baby sister drinks.
In addition:
(1)
(2)
(3)
Knowing this, we can calculate how much of apple juice is left for the baby after Katie drank a portion.
In order to do this, we have to substract the amount of juice Katie drank (
) to the total amount of juice in the full gallon (
):
This means that there are
left for Katie’s baby sister.
In addition, taking into account the baby drinks
each day, the
left are equivalent to approximately 28 days.
Multiply
(x+a)(x+b) = x^2 + bx + ax + ab
looking at; x^2 + 10x + 24
can you see that
ab = 24
bx + ax = 10x
then
a + b = 10
use substitution: a = 10 - b
(10-b)b = 24
10b - b^2 = 24
-b^2 + 10b -24 = 0
now find the values for b using the quadratic equation. I'm on my phone so you'll have to plug the numbers in. let me know if you have any questions.
The answer is probably ss or SSA depending on your answer choices, if one of these isnt an answer choice let me know