A product for RO 50 per unit. Variable costs per unit are RO 35 and fixed costs equal Ro 45.000. How many units must be sold in order to break even? An enterprising college student has decided to purchase a local car wash business. The purchase cost is RO 15,000. Car wash will be priced at RO 5, and variable cost per car (Soap, water, oil, labor and etc.) is expected to equal RO 1.5. a. How many cars must be washed in order to break even? b. How many cars must be washed in order to recover the purchase price RO 15,000? The life expectancy E, of males in the year 1980 was 68 years. It increased to 75 years in the year 1991. a. Express E as a linear function of time. b. Determine the life expectancy in the year 2005. A mineral water company delivers 13000 litres water per day and delivers 5 days a week. The cost of transport for delivery is RO 35000; the delivery cost is 500 baisa per litre (including fuel, labor and etc.). The company sells 800 baisa per litter. a. What is the total cost and revenue if they deliver for x weeks? b. After how many weeks the total cost will be recovered? A firm produced a single product and sells for RO 50 per unit. Firm defined a profit function P(x) = 35 x - 400, where x, the number of units produced and sold. a. Find the total cost function in term of x. the number of units produced and sold b. Also estimate the total cost if the firm produced and sold 700 units. A tablet manufacturing company introduces sales incentive to the employees that increases the cost of the tablet. The total cost function of a company for x tablets is C(x) = 70x + 65,000. a. What Is the total fixed cost for the company? b. What is the total variable cost for the company? c. If each tablet is sold for RO 203, determine the minimum number of tablets that must be produced and sold to ensure no loss. d. if at least 400 tablets be sold daily, what price should company charge per piece of tablet to guarantee no loss