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MrZone9
 3 years ago
A box contains 35 coins in quarters and nickels worth $3.15 How many of each coin are there
(system of liner eqations problem)
MrZone9
 3 years ago
A box contains 35 coins in quarters and nickels worth $3.15 How many of each coin are there (system of liner eqations problem)

This Question is Closed

abtrehearn
 3 years ago
Best ResponseYou've already chosen the best response.1Q + N = 35 25Q + 5N = 315.

abtrehearn
 3 years ago
Best ResponseYou've already chosen the best response.1Simplyf the second equation, solve the first for one of its unknowns and substitute into the simplified second equation, and you're well on your way to the solution.

satellite73
 3 years ago
Best ResponseYou've already chosen the best response.0careful with the decimals! \[25q+5(35q)=315\] \[

satellite73
 3 years ago
Best ResponseYou've already chosen the best response.0\[20x+175=315\] \[20x=140\] \[x=7\]
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