SOLUTION: Gina ordered 2 sheets of wallet-sized photos and 4 sheets of portrait-sized photos for $30. Rosanne ordered 3 sheets of wallet-sized photos and 3 sheets of portrait-sized photos fo
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Question 1148929: Gina ordered 2 sheets of wallet-sized photos and 4 sheets of portrait-sized photos for $30. Rosanne ordered 3 sheets of wallet-sized photos and 3 sheets of portrait-sized photos for $27. Kristina ordered 1 sheet of wallet-sized photos and 5 sheets of portrait-sized photos. Each sheet of wallet-sized photos cost the same. Each sheet of portrait-sized photos cost the same. How much did Kristina pay for her photos?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = cost of 1 sheet of wallet-sized photos
Let = cost of 1 sheet of portrait-sized photos
---------------------------------------------------------
(1)
(2)
---------------------------
Multiply (1) by
Multiply (2) by
Subtract (2) from (1)
----------------------------
(1)
(2)
----------------------------
and
(1)
(1)
(1)
(1)
---------------------------
She paid $33 for her photos
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