Each big square below represents one whole.
What percent is represented by the shaded area?

The answer is 73%

Step-by-step explanation:if you find the dimensions of the shape it is a 10x10 square which means there are 100 little squares within. so if you just count how many non shaded squares there is in the second shape and subtract that by 100 thats your answer

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. : )

i got 10.28 but that rounds up to 10.3