RoseCrystal01
contestada

Please help :)
James paid $3.40 for lunch using a total of 16 nickels and quarters. How many of each coin did he have?
A. 5 nickels 11 quarters
B. 13 nickels 3 quarters
C. 3 nickels 13 quarters
D. 1 nickel 15 quarters

Respuesta :

Answer:

3 nickels, and 13 quarters.

Step-by-step explanation:

0.05n+0.25q=3.40

n+q=16

q=16-n

0.05n+0.25(16-n)=3.40

0.05n+4-0.25n=3.40

-0.2n=-0.6

n=3

3+q=16

q=13

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