Alina's bus runs every 20 minutes if she arrives at her bus stop at a random time what is the probability that she will have to wait at least five minutes for the bus if it is running on schedule

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Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.