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OpenStudy (anonymous):
how do u solve this problem with substitution?: There is a bag that contains 15 coins. The total amount is $2.70. How many quarters and dimes are in the bag? use substitution to solve.
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OpenStudy (anonymous):
what do you mean by "solve with substitution"
OpenStudy (anonymous):
you substitute equations like 'x' with 'y + y-intercept' to solve for y
OpenStudy (anonymous):
this seems simple, let me figure the function
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