# If Dinah can skate 1/2 lap in 15 seconds, how long does it take her to skate 1 lap?

Apr 4, 2018

$\text{30 seconds}$
$\frac{1}{2} \setminus \text{lap" = "15 seconds}$
For $\text{1 lap}$
$1 \cancel{\text{lap" xx "15 seconds"/(1/2 cancel"lap") = "30 seconds}}$