19). 24 laps in 6 mins. = 4 laps/1 min 72 laps in 18 mins. = 4 laps/min Answer is YES rates are equivalent.
20). 126 points every 3 games 210 points every 5 games YES rates are equivalent this is a fraction equal to 126 3 games/ 210 5 games = 0.6 3 games per 5 game.
21). 15 breaths every 36 seconds = 5/12 90 breaths every 3 minutes = 30/1 min Answer is NOT Equivalent = 0.17 36 seconds per 3 minute
22).$16 for 4 pounds = There are 16 ounces in 1 pound. $1 for 4 ounces Yes the rates are equivalent 16 3 games/ 1 5 games 16 3 games per 5 game
