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katrin [286]
3 years ago
11

Alexandra has 36 coins valued at $6.00. She has only nickels and quarters. Which equation can be used to solve for the number of

nickels, n?
0.05n + 0.25(36 – n) = 6

0.05n + 0.25(36 – n) = 36

n + 0.05 = 0.05n

n + (36 – n) = 36
English
2 answers:
rusak2 [61]3 years ago
4 0
Let n be the number of nickels and q be the number of quarters, then
n + q = 36 . . . (1)
0.05n + 0.25q = 6 . . . (2)

From (1): q = 36 - n . . . (3)

Putting (3) into (2) gives:
0.05n + 0.25(36 - n) = 6

Ainat [17]3 years ago
3 0

Answer:

The answer is going to be 0.05n + 0.25(36-n) = 6

Explanation:

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