PLS ANSWER MY QUESTION I POSTED BEFORE THIS ONE I NEED HELP (FOR 2O POINTS)

Dropping less than two inches per mile after emerging from the mountains, a river drains into the ocean. one day's discharge at its mouth, 5.6 trillion gallons, could supply all of country a's households for seven months. based on this statement, determine how much water an average household uses each month. assume that there are 100 million households in country a. country a uses approximately nothing gallons per household per month.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What value of x is in the solution set of 4x – 12 s 16 + 8x?