Answer:
15
Step-by-step explanation:
Sum means the result of an addition, so 20-5=15
The complete question in the attached figure
we know that
[<span>amount of fabric]=8*[area of lateral triangle side]
area of lateral triangle side=(1/2)*4*5----> 10 ft</span>²
so
[amount of fabric]=8*[10]----> 80 ft²
the answer is80 ft²
Your overall grade will go down. I'd try to ask your teacher if you can make them up.
Lets p = salesman's commission as percent
15,200 * p = 912
p = 912/ 15,200
p = 0.06
p = 6%
answer
6%