shirleywyrick60 shirleywyrick60

17-06-2017
Mathematics

contestada

Bethany
has $3.10 in nickels and dimes. She had a total of 44 coins. What is the value of the nickels Bethany has

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Dawniee Dawniee

17-06-2017

She would have a 1.30$ in nickles

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17-06-2017

n + d = 44
.05n + .10d = 3.10
Multiply the first equation by -.10

-.10n - .10d = - 4.4
.05n + .10d = 3.10
Add the equations.
- .05n = - 1.30
Divide both sides by- .05
n = 26
She has 26 nickels * .05 = $ 1.30

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