Shawna worked out for a total of 20 hours last month. The circle graph shows how Shawna
divided her time during her workouts last month.
Shawna's Workout Time
Rowing
machine
Weights
30%
Exercise bike
10%
Treadmill
40%
Based on the circle graph, for how many hours did Shawna use the rowing machin

Respuesta :

Answer:

she spent 4 hours rowing

Step-by-step explanation:

the missing percent is 20, so she spent 20% of 20 hours rowing

this comes out to 4 hours