At the baseball game, gayle bought 3 candy bars for $.70 each. glenn bought a hot dog for $2.25. if glenn used a $5 bill to pay for gayle's candy bars and his hot dog, how much change did he receive?

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?