A six-lane multilane highway (three lanes in each direction) has a peak-hour factor of 0.90, 11 ft. lanes with a 4-ft. right-side shoulder, and a two-way left-turn lane in the median. The directional peak-hour traffic flow is 4,000 vehicles with 8% large trucks and buses and 2% recreational vehicles. The driver population factor has been estimated at 0.95. What will the level of service of this highway be on a 4% upgrade that is 1.5 miles long if the speed limit is 55 mph and there are 15 access points per mile

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.