Answer:
answer is 6
Step-by-step explanation:
6x-4-2x=20
4x-4=20
4(x-1)=20
x-1=5
X=6
Answer:
x=25.63
Step-by-step explanation:
turn p into 1000.
1000= -2x^2+70x+520
Subtract 520 from both sides
1000-520= 480
480= -2x^2+70x
Apply the quadratic formula, and x=25.63
So you have to charge at least $25.63
Answer:
c+6
Step-by-step explanation:
6 more meaning c+6
Answer:
19.55 $
Step-by-step explanation:
3.45$×10=34.5=150% of his money overall
34.5÷3=11.5
11.5×2=23= 100% of his money
23-15%=19.55$