Sqrt(16) = 4 because 4^2 = 16 ;
Then, 4 - 5.5 = -1.5 ;
x = 45%
Step-by-step explanation:
1. -9 2. -10 3. -100 4. -11 5. 5.-110 6. 204
8. -15 9.-460
Intrest=principal*rate*time
500-350=150<---final interest
150=350*2.8*time
150=980*time
time=approx. 0.15years or 54.75 days
