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Mathematics 7 Online
OpenStudy (anonymous):

A collection of dimes and nickels is worth $6.90. There are 96 coins in all. How many of each coin are there? dimes=? nickles=? HELP ASAP

OpenStudy (anonymous):

help please

OpenStudy (mathmath333):

let dimes be \(d\) and nickels be \(n\) \(\text{thus}\) \(d+n=96--->A \\ ~\\ \) 1 dime=10 cents i nickel =5 cents \($6.9=690~~cents\) \(10d+5n=690---->B\) solve A and B

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