If 87 1 half% of the class received a passing mark in a science test, what percent of the class failed the test?

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?