Yes they are equal. 45 is a multiple of 15. 45/15=3, 7*3=21. so 21/45 is equal to 7/15.
Answer:

Step-by-step explanation:
Supplementary angles are angles equal to 180°.
Therefore:

Now that we have our equation, let's distribute the
and the
into the parentheses they are next to:

Combine like terms:

Subtract
from both sides of the equation:

Divide by the coefficient of
, which is
:

~
Check your work by substituting
into one of the equations above:



It's correct!
Answer:
If it really is out of ten shots the answer should be 6 out of 10.
Step-by-step explanation:
12/30 divided by 3 is 4/10
If she had an increase of 50%, the answer is 6 out of 10 shots.