A I am pretty sure. I apologize if I am incorrect.
A) $15 ÷ 40% =
15×.4= 6
15+6= 21
B) $38 × .25=9.5
38-9.5=28.50
28.50×.06=1.71
28.50+1.17=30.21
I think this is how you do it. would wait for other answers as well to double check.
Area = 10 * 1/2* * 14 * 25 (note decagon has 10 sides)
= 1750
Answer:
14
Step-by-step explanation:
To get the answer, add the whole numbers together and then add the fractions together:
9 + 4 = 13
(You can even stop here because 14 is the closest to 13)
Now, add the fractions:

To add fractions you have to have a common denominator. To find the common denominator multiply 3 by 5, and 5 by 3. Like this:

Simplify:
Distribute everything from above
Add
So, the whole fraction will look like this
. This is closest to 14.
Hope this helps!! Ask questions if you need!