Answer:
x=amount invested at 7%
2x=amount invested at 8%
3x=amount invested at 9%
interest=principal*rate*time (time=1 year)
$150=0.07x+0.08*2x+0.09*3x
$150=0.07x+0.16x+0.27x
$150=0.50x
$1500=5x
x=$300 invested at 7%
2x=$600 invested at 8%
3x=$900 invested at 9%
Step-by-step explanation:
I think it’s how far an object travels from starting point to ending point.
90 - (90 × .7) = $27
hope this helps
It is 28 because you have to take the median out then go to the first set of data and find the median of that.