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A company sells crushed rock in 16-pound bags each bag containing a mixture of quartz to marble is the same for every bag. If 3 bags of crushed rock containa total of 27 pounds of quartz and 21 pounds of marble, how many bags contain 72 pounds of quartz and 52 pounds of marble

Respuesta :

Answer:

8 bags.

Step-by-step explanation:

Each bag will contain 27/3 = 9 pounds of quartz and 21/3 = 7 pounds of marble.

So there are 72/ 9 = 8 bags which contain  72 pounds of quartz. They will contain 56 pounds of marble, not 52 pounds.

Answer:

8

Step-by-step explanation:

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