Tuesday

October 21, 2014

October 21, 2014

Posted by **Laurie** on Friday, April 3, 2009 at 8:20pm.

- Math -
**Reiny**, Friday, April 3, 2009 at 11:43pmd+n=19

10d + 5n = 145

divide this second equation by 5

2d + n = 29

subtract the first from the second...

easy.....

**Answer this Question**

**Related Questions**

Math - Lianne has nineteen coins worth $1.45. Some coins are dimes & the rest ...

algebra - a purse contains 26 coins, some of which are dimes and the rest are ...

6th grade - You have 32 coins. Some are nickels and otheres are dimes. How many ...

math - Joe has a collection of nickels and dimes that is worth $6.20. If the ...

math - Joe has a collection of nickels and dimes that is worth $8.55. If the ...

Math - Joe has a collection of nickels and dimes that is worth $6.05 if the ...

math - rose counted her money and found that her 25 coins which were nickels, ...

math - Jo has 37 coins (all nickels, dimes and quarters) worth $5.50. She has 4 ...

math - about 4/9 of the coins in Ava''s piggy bank are nickels. Another 1/3 of ...

pre calc - rose counted her money and found that her 25 coins which were nickels...