Answer: 21 . . . . . .
Credit to the person below-
Please post the question ..i'll solve for x
Answer:
11 3/13% per annum
Step-by-step explanation:
to find rate= 100×simple interest ÷ (principal ×time)
simple interest=total amount - principal
=1,500,000-1,300,000
=200,000
=200,000 ×100÷ 1,300,000×4
=3 11/13% per annum
X^2+x-12=0 factors out into (x+4)(x-3) so the answer is: x=-4, x=3
