A Gentoo penguin can swim at a rate of 17 miles per hour. How many miles can a penguin swim in 4 hours Use the expression rt where r represents rate and t represents time.?

To find out how many miles a Gentoo penguin can swim in 4 hours, we can use the expression ( rt ), where ( r ) is the rate (17 miles per hour) and ( t ) is the time (4 hours). Plugging in the values, we get ( 17 , \text{miles per hour} \times 4 , \text{hours} = 68 , \text{miles} ). Therefore, a Gentoo penguin can swim 68 miles in 4 hours.