Aradio station will announce the winner of a contest when 3,200 callers have phoned the station. at 3: 00 p. m. 400 callers were counted. at 4: 00 p. m. 650 calls had been recorded. by 5: 00 p. m. 950 calls had come into the station, and by 6: 00 p. m. 1,300 calls had been counted. if the pattern continues, when will the radio station announce a winner?

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck