P= $3000
R=5%
Amount=$3300
SI = A-P
= 3300-3000=300.
Therefore SI is $300.
SI = PRT/100
300 = 3000x5xT/100
300= 150T
T = 300/150
T = 2
Therefore . The account has been earning for 2 years
Answer:
it is a simultaneous equation and I used Elimination method
Step-by-step explanation:
(x - 2)(2x + 3)
=2x²+3x-4x-6
=2x²-x-6
49. 100-36= how many girls in percent
= 64%
64%= 16 girls
64/100=16/x
cross multiply
1600=64x
x=25