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Further Applications of Linear Equaations

Algebra
Tutor: None Selected Time limit: 1 Day

here is the question: A man has $2.25 in quarters and nickels. He has 9 more nickels than quarters. How many nickels and quarters does he have. (How do i set up the chart and solve it?)

Sep 22nd, 2014

Let number of quarters =x

Number of nickels =x+9

x*0.25 +(x+9)*0.05 =2.25

x*0.30+0.45=2.25

x*0.30 =1.80

x =1.80/0.30= 6

X+9 =15

Number of quarters =6 ; value 1.50

Number of nickels =15 ; value =0.75

Total value =2.25

Sep 22nd, 2014

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Sep 22nd, 2014
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Sep 22nd, 2014
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