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Magen has $1.10 in dimes nickels,and pennies. She has three times as many nickels pas pennies and the number of dimes is two less than the number of pennies.how many nickels and…
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Magen has $1.10 in dimes nickels,and pennies. She has three times as many nickels pas pennies and the number of dimes is two less than the number of pennies.how many nickels and…
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Mar 16, 2019
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Magen has $1.10 in dimes nickels,and pennies. She has three times as many nickels pas pennies and the number of dimes is two less than the number of pennies.how many nickels and pennies do I have
Mathematics
middle-school
Utopianheaven
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We define the variables:
x = dimes
y = nickels
z = pennies
We write the system of equations:
0.1x + 0.05y + 0.01z = 1.10
y = 3z
x = z-2
Solving the system of equations we have:
x = 3
y = 15
z = 5
Answer:
The number of nickels and pennies is:
nickels = 15
pennies = 5
Rahulsri
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Mar 23, 2019
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Rahulsri
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