Answer:
It would be best to buy the two regular sized ones
Step-by-step explanation:
Answer:
The answer is 91
Step-by-step explanation:
We have the following equality:

Then a must satisfy that
. So,
or
.
1) If a=7, then, it follows for the first equality that 56=14b. Then b=4. Finally, substituting b=4 in the first equality we obtain that -64=16-c. So, c= 80. We conclude that
.
As the problem states, we only consider values of a greater than zero. Then 91 is the only solution for
.
Answer:
the maximum area is 1600 square meters
Answer:
30 percent increase
Step-by-step explanation:
7s + 20 = 4s -13
7s - 4s = -13 -20
3s = -33
s = -33/3
s = -11