Answer:


Step-by-step explanation:
is the expression given to be solved.
First of all let us have a look at <u>3 formulas</u>:

Both the formula can be applied to the expression(
) during the first step while solving it.
<u>Applying formula (1):</u>
Comparing the terms of
with 

So,
is reduced to 
<u>Applying formula (2):</u>
Comparing the terms of
with 

So,
is reduced to
.
So, the answers can be:


Answer:
she would need 7 ounces
Step-by-step explanation:
Answer:
-250
Step-by-step explanation:
I don't know for sure but I hope it's correct.
You can round 15 to 20, and 8 to 10