Answer:
<h2>46.5 DOLLARS WILL BE YOUR ANSWER .</h2>
1st one I would guess survey 2nd the answer is 64
Let be Z the money ;
We have ( 40 / 100 ) x Z = $85 ;
( 4 / 10 ) x Z = $85 ;
( 2 / 5 ) x Z = $85 ;
Z = $( 85 x 5 ) ÷ 3 ;
Z = $425 ÷ 3 ;
Z = $141,66 ≈ $142 ;
Independent variable = number of cars with domain 30 to 100 cars
Dependent variable = money raised with range $600 to $2000