xenesis98
  • xenesis98
Every evening Jenna empties her pockets and puts her change in a jar. At the end of the week she counts her money. One week she had 50 coins, all of them dimes, and quarters. When she added them up, she had a total of $10.25. How many qurarters did jenna have
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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misty1212
  • misty1212
HI!!
misty1212
  • misty1212
we need a variable for say the number of quarters what do you pick?
xenesis98
  • xenesis98
q

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misty1212
  • misty1212
ok good then if \(q\) is the number of quarters, they will be worth \(25q\) cents total right?
xenesis98
  • xenesis98
yea
misty1212
  • misty1212
and if there are \(q\) quarters, since the total is \(50\) coins, the number of dimes must be \(50-q\)
misty1212
  • misty1212
each dime is 10 cents, so the total amount of money is \[25q+10(50-q)\]
misty1212
  • misty1212
you are told that the total (in cents) is 1025 solve \[25q+10(50-q)=1025\] for \(q\)
misty1212
  • misty1212
you know how to do that?

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