Answer:
$126
Step-by-step explanation:
Given that:
Investment is done as per Simple interest.
Principal = $3000
Time for which the investment is to done = 7 years
Rate of interest = 6%
To find:
Interest earned when the investment matures?
Solution:
Formula for Simple Interest :

Where
is the principal amount
is the Rate of Interest
is the time for which the investment is made
Putting the given values:

Therefore, the answer is:
Interest earned is <em>$126</em>.
Answer:
80 degrees
Step-by-step explanation:
one half of the circle makes a straight line and that will equal 180 degrees so 60+45=105
180-105=80
so the missing angle is x=80
Hope it helps you........
Step-by-step explanation:
21:18=7:6
42:36=7:6
63:54=7:6