SOLUTION: The book cost of Hiro’s biology book was $13.00 more than the cost of his history book. The cost of his English was $27.00 less than the cost of his history book.
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Algebra ->
Inequalities
-> SOLUTION: The book cost of Hiro’s biology book was $13.00 more than the cost of his history book. The cost of his English was $27.00 less than the cost of his history book.
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Question 180718: The book cost of Hiro’s biology book was $13.00 more than the cost of his history book. The cost of his English was $27.00 less than the cost of his history book.
how do I know what is the cost of each book if I don't have at least one price for one? Answer by user_dude2008(1862) (Show Source):
You can put this solution on YOUR website! Equation #1:
"The book cost of Hiro’s biology book was $13.00 more than the cost of his history book" ---->
Equation #2:
"The cost of his English was $27.00 less than the cost of his history book" --->
You have 3 variables but only 2 equations. So you'll get infinite number of solutions. You need 3 equations.
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