He would receive $5.63, not including tax
First off, the area of the circle would be 78.54
Now, you would do (area of the triangle)--- AT-78.54=answer
I don't know how to find the area of the triangle with just the circle's radius, so this is all I can do. I'm sorry!
D=2n
.05n+.1d=3.5
I multiplied the nickels and dimes by these values because that is their actual monetary value
.05n=3.5-.1d
multiply everything by 20
n=70-2d
d/2=70-2d
.5d+2d=70
2.5d=70
d=28
n=14
so there are <u>28 dimes and 14 nickels
</u>checking this answer
28 dimes = $2.8
14 nickels = .70
2.8+.7=3.5
Simplify by dividing the two by 14