Eli is on a diet. For the first 4 weeks, he lost 3 pounds each week. For the remaining weeks, he is losing 2 pounds each week. So far, Eli has lost 40 pounds. Write an equation to solve for the number of weeks (w) Eli has been dieting.

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

The product of (7x-2) and (20-3x)/4. when x=4