Derek has some Nickels and dimes worth $3.60 the number of dimes is one more than twice the number of nickels how many nickels and dimes does he

Question

23-03-2018
Mathematics

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Derek has some Nickels and dimes worth $3.60 the number of dimes is one more than twice the number of nickels how many nickels and dimes does he

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vojtadanhel vojtadanhel · Answer 1 · 2018-03-27T11:28:45+02:00

vojtadanhel vojtadanhel

27-03-2018

5x + 10y = 360
y = 2x + 1

5x + 10*(2x + 1) = 360
5x + 20x + 10 = 360
25x = 350
x = 14

y = 2x + 1
y = 2*14 + 1
y = 29

Derek has 14 nickels and 29 dimes

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