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18-02-2017
Mathematics

contestada

Rhonda has 25 coins in her pocket. all the coins are either dimes or nickles. if rhonda has a total of 2.30 how many dimes does she have

Respuesta :

Chrisstina Chrisstina

18-02-2017

x = nickles
y = dimes
x + y = 25
5x + 10y = 230

-Rhonda has 21 dimes.
- 4 nickles

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