42 students signed up to go on the class trip. If this is 70% of the class, how many students are in the class? A 290 students
B 29 students
C 600 students
D 60 students​

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%