Angie is working on a project for her history class. The first half of the project took her 712 of an hour. The second half of the project took her 1318 of an hour. What is the total amount of hours she spent working on the project?

Select one:
A. 118
B. 23
C. 119
D. 11136

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.

How do you use the elimination method for this question? explain, because i really want to understand!

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30