5. Joe and Mike went video game shopping and it cost $69.00. Mike had a coupon for 30% off of their purchase. A few weeks later, Joe and Mike went
to buy more video games and the cost was $42.00. This time, Mike had a
coupon for 20% off. How much more did they spend on the first trip than
the second trip?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?

It takes an ant farm 3 days to consume 1/2 of an apple. at that rate, in how many days will the ant farm consume 3 apples