Kevin and randy muise have a jar containing 63 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $ 8.35. how many of each type of coin do they have?

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04-02-2017
Mathematics

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Kevin and randy muise have a jar containing 63 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $ 8.35. how many of each type of coin do they have?

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wolf1728 wolf1728 · Answer 1 · 2017-02-10T10:23:57+01:00

wolf1728 wolf1728

10-02-2017

A) Q + N = 63
B) .25Q + .05N = 8.35

Multiplying Equation B by -4
B) -Q -.2N = -33.40 then adding it to A)
A) Q + N = 63
.8 N = 29.60
N = 37
Q = 63 - 37 = 26

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Kevin and randy muise have a jar containing 63 ​coins, all of which are either quarters or nickels. the total value of the coins in the jar is ​$ 8.35. how many of each type of coin do they​ have?

Respuesta :

Otras preguntas

Kevin and randy muise have a jar containing 63 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $ 8.35. how many of each type of coin do they have?