Answer:
A. 14x14x28
B. The maximum volume is 5488 cuibic inches
Step-by-step explanation:
The problem states that the box has square ends, so you can express volume with:

Using the restriction stated in the problem to get another equation you can substitute in the one above:

Substituting <em>y</em> whit this equation gives:

Now find the limit of <em>x</em>:

Find the length:

You can now calculate the maximum volume:

Answer:
sister = 6 years
John=18 years
Step-by-step explanation:
A(S) + 12 = 3 * A(S), subtracting A(S) from both sides one gets 12 = 2 * A(S). Now dividing both sides by 2 we get A(S) = 12/2 = 6 . Therefore, the age of the sister is 6 years when her brother John is three times as old, that is 18 years.
Answer:
3
Step-by-step explanation:
take 70 and subtract the amount left, which is $22.56 divide that by 7.52 and you get your answer of 3
Answer:
- 670 adult tickets
- 1340 student tickets
Step-by-step explanation:
One group of 2 student and 1 adult tickets will go for 2×$12 +16 = $40. The number of such groups sold was ...
$26,800/$40 = 670
There were 670 adult tickets sold.
There were 670×2 = 1340 student tickets sold.