Posted by Lotaya on Wednesday, December 19, 2012 at 4:37pm.
Iman collects quarters,dimes, nickels, and pennies. This morning he took $1.80 from his collection . He counted the coins and found that he had twice as many nickels as dimes . What coins iman have?

Math  Ms. Sue, Wednesday, December 19, 2012 at 4:42pm
Half of 1.80 is 0.90
Take it from there. 
Math  Steve, Wednesday, December 19, 2012 at 4:54pm
There must be some missing info
various solutions are possible
q d n p
1 1 2 125
2 4 8 50
4 3 6 20
6 1 2 0
and lots of others 
Math  Steve, Wednesday, December 19, 2012 at 4:56pm
Hmm. I see what Ms Sue is saying. If there are only nickels and dimes, then each makes up half the total.