Working alone at their respective constant rates. A can complete a task `a’ days and B in ‘b’ days . They take turns in doing the task with each working 2 days at a time. If A starts they finish the task in exactly 10 days . If B starts, they take half a day more. Hoe long does it take to complete the task if they both work together?
The cost of operating a toy company in the first I s$10,000 plus $2 for each toy. Assuming the company sells every toys it makes in the first year for $7. How many toys must the company sell to break even?
The pesto weight limit for a wooden bridge in Bandarban is 6,000 kg. A delivery truck that is carrying x identical boxes each weighting 14 kg will pass over three bridge. If the combined weight of the empty delivery truck and its driver is 4500 kg, what is the maximum possible value of x that will keep the combined weight of the truck, driver and boxes below the bridge’s weight limit?