Answer:
see explanation
Step-by-step explanation:
Let u = x² ( choice of variable is flexible ), then
4u² - 21u + 20 = 0 ← expressed as a quadratic
This can now be solved for u and converted back into terms of x
2 degrees drop every hour, so 6 * 2 = 12
So, it would drop by 12 degrees after 6 hours.
1/8 vanilla, 3/8 almonds, 1/2 pineapple.....ratio : 1/8,3/8,1/2
bottle 1 bottle 2 bottle 3
vanilla : 1 2 1 1/2
almond : 3 6 4 1/2
pineapple : 4 8 6
The unit rate for the nearest cent per once for each size is 0.24 : 0.19
Your answer would be (18)+(2652)=2670
