diablo3 diablo3

04-04-2017
Mathematics

contestada

Jonathan has 136 coins in his collection of dimes and quarters. If the coins have a total value of $28, how many are dimes and how many are quarters?

Respuesta :

michelleazuara michelleazuara

04-04-2017

25x-10x=2800-1360
15x=1440
x=96 quarters
136-96=40 dimes
ck
10(40)+96(25)=2800
400+2400=2800
2800=2800

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