Posted by **Delia** on Tuesday, May 21, 2013 at 7:37am.

Nora had 20% fewer pictures than Maria. After Nora gave 12 pictures to Maria, she had half as many pictures as Maria. How many pictures did Nora have at first?

- Math -
**Steve**, Tuesday, May 21, 2013 at 11:11am
n = .8m

n-12 = .5(m+12)

(m,n) = (60,48)

Nora had 48

Maria had 60

Later, Nora had 36 and Maria had 72

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