Answer:
Karin can play the game she likes 6 times because $3.00 divided by 50 is 6
positive number times negative number is negative number "(+)(-) = (-)".

we change the mixed numbers to the improper fractions

Answer:
ratio of hours lisa works to hours lisa sleeps= 3:8
Step-by-step explanation:
lisa goes to school for 7 hours per day lisa works 3 hours per day
Lisa sleeps 8 hours per day.
For the ratio of hours lisa works to hours lisa sleeps
ratio of hours lisa works to hours lisa sleeps= hours Lisa works/hours Lisa sleeps
ratio of hours lisa works to hours lisa sleeps= 3/8
ratio of hours lisa works to hours lisa sleeps= 3:8
The percentage would be 73% but idk the rest