Kauther drove 78.6108 km to visit his grandmother. When he reached his grandmother's house he noticed that the car had used up 4.36 liters of petrol. How many kilometers did he travel per liter of petrol?
Nasser wants to print some brochures for his business. If he goes for style 1, it will cost him SR95 plus SR0.25, per brochure. If he goes for style 2, it will cost him SR5 plus SR0.5, per brochure. For how many brochures will the price for both the styles be the same?
In a collection of green, red, and black marbles, there are 35% more green marbles than red marbles, and there are 60% more black marbles than green marbles. If A is the number of green marbles, what is the total number of marbles?
Ahmed bought the following things when he got his first salary: A camera for SR 2355.05 A microwave for SR 6397.15 A computer for SR 17429.40 If his salary was SR 70000, what does he have left after all the shopping?
A square park has an area of 2025 sq. m. It has to be fenced. The fencing will require use of a wire that must be able to enclose the park 4 times, and each circuit of the wire would be 2 % greater than the perimeter of the park. What is the length of wire (in metres) needed for this?