Pete is saving up for a bike and knows he'll need to spend at least $220 to get the one he wants. he saves $45 each month. how long will he need to save before he can go bike shopping? which of the following inequalities could you use to solve this problem? a. x 45 b. 45x 220 c. 45x 220 d. x 220

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?