<em>x</em> = amount invested at 8 %. Then 23 000 - <em>x</em> = amount invested at 9 %
Annual income (<em>I</em>) = interest at 8 % + interest at 9 %
<em>I</em> = 0.08<em>x</em> + 0.09(23 000 – <em>x</em>)
<em>I</em> = 0.08<em>x</em> + 2070 – 0.09<em>x</em>
<em>I</em> = 2070 – 0.01<em>x</em>
Answer:2
Step-by-step explanation:
Answer:
Step-by-step explanation:
You should know that quotient is the result of division.
n/2
Four less than that would be subtracting.
(n/2) - 4 = 9
Answer:
Answer is attached in images
Step-by-step explanation:
Given:
x+z=1 and

Now,

Which is circle with center (1/2,0) radius
take, 
Now,
Time=distance/speed
621÷51.75
=12
So it takes 12 hours