The area of the garden needs to be greater than 400 square feet but less than 600 square feet
Answer:
Second Option: 
Step-by-step explanation:
A fraction means to divide.

Therefore,

Answer:
100 cars
25 trucks
Step-by-step explanation:
$3c + $5t = $425
c + t = 125 vehicles
($3 * 100) + ($5 * 25) = $425
100 + 25 = 125
Therefore, they washed 100 cars and 25 trucks
Hope this helps!
Are you asking to simplify all of those equations?