jenniferfigueroa13 jenniferfigueroa13

14-07-2020
Mathematics

contestada

Sonji has $5.25 in nickels and dimes.The coin value can be modeled by the equation , where d represents the number of dimes and n represents the number of nickels. If Sonji has 21 dimes, how many nickels does she have?

Respuesta :

burkken17 burkken17

14-07-2020

Answer:

n=63

Step-by-step explanation:

10(21) + .05n = 5.25

2.1 + .05n = 5.25

.05n = 3.15

n = 63

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