A local bank reports that 80% of its customers maintain a checking account, 60% of them have a savings account, and 50% of them have both. If a customer is chosen at random,
what is the probability the customer has either a checking or a savings account? What is
the probability the customer has neither a checking nor a savings account?

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

Complete the steps to find 4.830 ÷ 5

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?