A pair of jeans in a store cost $70 in sale. This price is given with 25% discount. Find original price of jeans

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.

S-7< 3 i need answering this problem someone asap answer

Can someone show me step by step how to do this?