Math
posted by kay .
Water is filled into a tank of base 40 cm x 40 cm. the water level rises 7.5 cm when 5 identical small marbles and 5 identical large marbles are into into the tanks and sick. If the volume of a large marble if two times that of the small one, what are the volumes of the marbles?
Vlm= 2Vsm
5Vsm + 5Vlm= 40x40x7.5 cm^2
substutited 10 Vsm for the 5Vlm, and solve.
Respond to this Question
Similar Questions

math
to identical jars are filled with equal amount of marbles. the marbles are coloured red or white. the ratio of red to white marblesis 7:1 in jar 1 and 9:1 in jar 2 if there are 90 marbles altogether, determin the number of red marbles … 
math
A fish tank is 50 cm long, 34 cm wide and 24 cm high. It contains water to depth of 18 cm. Four identical spheres are placed in the tank and are fully submerged. The water level rises by 4.5 cm. 1.What is the volume before the spheres … 
Physics
A primitive diving bell consists of a cylindrical tank with one end open and one end closed. The tank is lowered into a freshwater lake, open end downward. Water rises into the tank, compressing the trapped air, whose temperature remains … 
Math (Please help)
a rectangular tank 28cm long and 18cm wide was filled with water to a dept of 7cm. When 12 marbles were added the level rose to 12cm. Find the average volume of the 12 marbles. 
Math (can you provide me with the working and ans?
A rectangular tank 28cm long and 18cm wide was filled with water to a dept of 7cm. When 12 marbles were added the level rose to 12cm. Find the average volume of the 12 marbles. 
Calculus
Water is draining from a small cylindrical tank into a larger one below it. The small cylindrical tank has a radius of 4 feet and a height of 6 feet; the large cylindrical tank has a radius of 8 feet and a height of 16 feet. The small … 
CALCULUS
Water is draining from a small cylindrical tank into a larger one below it. The small cylindrical tank has a radius of 4 feet and a height of 6 feet; the large cylindrical tank has a radius of 8 feet and a height of 16 feet. The small … 
Maths
A rectangular fish tank has a base area of 0.3 m squared and height 30 cm and is filled with 80 L of water. Ten large fish with volume 50 cm cubed each are placed into the tank. By how much does the water rise? 
math
there are 184 green marbles. the marbles will be put into 8 jars. about how many marbles will go into each jar? 
Maths
a rectangular tank measured internally is 2.5m long,1.5m wide and 0.8m high. how many litres of water are needed to fill the tank?