Subtract 3 hours, 50 minutes from 5 hours, 20 minutes. 2 hours, 20 minutes

1 hours 30 minutes

Step-by-step explanation:

Subtract 5 hours 20 minutes and 3 hours 50 minutes

which gives 1 hours 30 minutes

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )

step-by-step explanation: