Thyqueenmary Thyqueenmary
  • 22-04-2016
  • Mathematics
contestada

If in a rock collection 60% of the rocks are Quartz how many rocks are Quartz if there are 35 rocks?

Respuesta :

vanskikranski vanskikranski
  • 22-04-2016
If 60% of the rocks are Quartz, you need to multiply the total number of rocks by 60% (this is the same as multiplying by 0.6 as 0.6=60%)
So 35 x 0.6 = 21
Therefore there are 21 quartz rocks in the collection.
Answer Link

Otras preguntas

. In psychology, the term “motivation” refers to the A) cognitive interpretation of events. B) activation of behavior. C) the development of self-esteem. D) b
What is the measure of the exterior angle at D?
Which of the following best explains the U.S. motivation for entering the Persian Gulf War? O A. To force the Soviet Union out of the Middle East O B. To destro
The ___ -centimeter side corresponds to the y-centimeter side
Why did Columbus believe that some Islanders had been taken as slaves in the past?
What is the most widely accepted theory about early human migration to the Americas?
difference between individual identity and collective identity? please helpp​
If the distance between two objects is increased, the gravitational force will _____. decrease decrease by the distance squared increase increase by the distan
All of the following are names of significant battles fought in the Civil War EXCEPT: a. Sabine Pass b. Palmito Ranch c. Battle of Galveston d. Battle of Rio G
What’s the value of -3