Gray rolls a standard six-sided die 99 times. About how many times would he expect to roll a number great than 4?

Acell phone provider offers a plan that costs $40 per month plus $0.20 per text message sent or received. a comparable plan costs $50 per month but offers unlimited text messaging. complete parts a. and b. below. a. how many text messages would have to be sent or received in order for the plans to cost the same each month? in order for the plans to cost the text messages would have to be sent or received.