Answer:
Each friend donates $10.
Step-by-step explanation:
If they keep 5% of all donations, 5% of $10 is $0.50 and you lose out on $2.50. With 5 friends, this equates to $10 per person.
Answer:
-3x+42+9x=6x+42
0x=0
x=0
Step-by-step explanation:
there is no solution
For the full circle, Area = pi(r)^2
pi x 1^2 = pi
Semi circle = pi/2 = 1.57 square feet