Treasury bond's invested amount is "$7000" and Bond's invested amount is "$10000",
Let,
- The amount invested in treasury note will be = x
- The amount invested in bond will be = (x + 3000)
then,
→ 
→ 
→ 
→ 
→ 
→ 
→ 
→ 
→ 
Amount invested in bond will be:
= 
= 
=
Thus the above is the correct answer.
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We have 89 ounces of 47% iodine.
We will add "x" ounces of 14% iodine to get a 29% iodine solution.
89 * .47 + .14x = .29 * (89 + x)
41.83 + .14x = 25.81 + .29x
16.02 = .15x
x = 106.80
So, we must add 106.80 ounces of 14% iodine to get a 29% iodine solution.
(for a total of 195.80 ounces)
Source:
http://www.1728.org/mixture.htm
Answer:
Distance = rate x time or d = rt...that means time t = d/r...and we have
t = 21 km / .5 km/hr = 42 hr
Step-by-step explanation: