Pop Quiz

Jill is as old as Jack will be when Jill is twice as old as Jack was when Jill's age was half the sum of their present ages.

Jack is as old as Jill was when Jack was half the age he will be 10 years from now.

How old are Jack and Jill?

A) Jill = 30, Jack = 20

B) Jack = 40, Jill = 20

C) Jill = 40, Jack = 30

D) Jack = 10, Jill = 40

See another Pop Quiz

News & Events

Connect with Mines:

[Jul 25 2014]

Xcel Energy, other corporate donors invest in Colorado School of Mines Multicultural Engineering Program GOLDEN, CO, July 25, 2014—Twenty-eight incoming Colorado School of Mines freshmen participated in the 2014 Challenge Program, a four-week summer session that ...more

[Jul 23 2014]

From petroleum engineering to public health It was a first for Mines when Linda Battalora, associate teaching professor in the Department of Petroleum Engineering, presented her research on bone density ...more

[Jul 23 2014]

NSF grant funds Mines bio-hybrid materials research for solar energy capture, conversion and storage GOLDEN, Colo., July 23, 2014 – Colorado School of Mines researchers have been awarded a $420,000 grant from the Biomaterials Program in the Division of Materials ...more

[Jul 22 2014]

Mines researchers "Turning Food Waste to Glass" story featured on cover of American Ceramics Society bulletin ...more

[Jul 21 2014]

Mines professors discover new type of fuel cell that could more efficiently power your house ...more

[Jul 18 2014]

Mines makes it big in Business Insider's "The 10 Best Universities For Robotics In The US" ...more

Mines professors discover new type of fuel cell that could more efficiently power your house

“Imagine you could replace the water heater in your home with a similarly-sized fuel cell unit that could also produce the electricity for your home,” metallurgical and materials professor Ryan O’Hayre said. “You wouldn't need the electric grid anymore. This would be great for remote cabins, but also for people that want to "get off the grid.” READ MORE...
 

Connect with Us

Facebook  Twitter  Instagram  YouTube  Flickr  Pinterest

 

For more Mines news, visit:

 

© 2014 Colorado School of Mines | Mines'
Facebook page Mines'
Twitter feed Mines
Newsroom RSS feed Mines'
Flickr page Mines'
YouTube	channel | Equal Opportunity | Privacy Policy | Site Map | Text-Only Version

 
Last Updated: 07/24/2014 10:10:15