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anonymous
 one year ago
Every evening Jenna empies her pockets and puts her change in a jar. At the end of the week she counts her money. One week she had 40 coins, all of them dimes and quarters. When she added them up, she had a total of $7.75.
d= number of dimes
q= number of quarters
How many quarters did Jenna have?
anonymous
 one year ago
Every evening Jenna empies her pockets and puts her change in a jar. At the end of the week she counts her money. One week she had 40 coins, all of them dimes and quarters. When she added them up, she had a total of $7.75. d= number of dimes q= number of quarters How many quarters did Jenna have?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0d+q=40 but I don't know what to do next

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[( d + q = 40, 10 d + 25 q = 775 )\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The second equation concerns pennies. { d > 15, q > 25 }

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok so then you can substitute the values and find the answer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got 15 dimes and 25 quarters

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Replace d below with 40q 10 d + 25 q = 775 /. d > 40  q solve the following for q: 10 (40  q) + 25 q = 775
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