7/4 - 5/4 =
O 1
o 2/4
0 2/8
0 2/0

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?