SOLUTION: colored copies cost 10cent per copy and white copies cost 5cent per copy. Sandy made 400copies, some of which were colored and the rest white. her total bill was $22.50. how man

Question 184909: colored copies cost 10cent per copy and white copies cost 5cent per copy.
Sandy made 400copies, some of which were colored and the rest white.
her total bill was $22.50.
how many colored copies and how many white copies did she make?
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

1st condition:

2nd Condition:
------->, EQN 1
Susbt. EQN 1 in Condition 1:

----->

Then as per EQN 1:

In doubt? Go back Condition 1:

Thank you,
Jojo
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