Answer:
9 hours
Step-by-step explanation:
$56.00 -------> 7 hours
$1 ---------------> (7 / 56) hours
$72 -------------> (7/56) x 72 = 9 hours
The formula is 2000 x (1 + Rate/100)^15
The answer to your question is A = 648 u²
I attach the solution because it said that I was writing improper words.
h = -7
Given:
-49 = 7h
Divde both sides by 7:
-7 = h
Check:
-49 = 7(-7)
-49 = -49 ✅