Answer:
25 coolers are need to be produce and sell in order to minimize the cost.
Explanation:
..[1]
Differentiating the given expression with respect to dx.


Putting ,


x = 25
Taking second derivative of expression [1]

(minima)
25 coolers are need to be produce and sell in order to minimize the cost.
<span>H</span>₃<span>PO</span>₄<span> - Phosphoric Acid :
H</span>₃<span>PO</span>₄<span> = 1.0 * 3 + 31.0 + 16.0 * 4 = 98.0 g/mol
hope this helps!</span>
Answer:
hahaha fighting! you can do it