30% of 750 using an table

225

Step-by-step explanation:

30%×750 = 30×750/100 = 3×75 = 225

525

Step-by-step explanation:

10%= 75 (750 divided by 10)

30%= 225 (75 x 3)

750-225= 525

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. : )

dd

step-by-step explanation:

dd