Arestraunt is making a large amount of salad dressing. the recipe use 72 ounces of vinegar and 126 ounces of oil. what is the ratio of oil to vinegar in the salad dressing?

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?

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Which number line correctly shows 0.8 + 0.3?