Answer:
The equation that best describes the situation is:
Step-by-step explanation:
The initial amount of gravel is g.
Then we know that 400 pounds are added
Two orders of 900 pounds are sold and the gravel is removed from the mound. This is:
At the end of the day, the mound has 1,500 pounds of serious. This is:
The equation that best describes the situation is:
And