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Murrr4er [49]
3 years ago
6

Roderick is counting the change on his dresser. he has twice as many pennies as he does dimes. he has twice the amount of dimes

as he does nickels. he has 3 fewer quarters than dimes. which variable definition would be easiest for roderick to use when writing expressions for the number of all the coins?
Mathematics
1 answer:
melamori03 [73]3 years ago
8 0
P = 2d
d = 2n.....n = 1/2d
q = d - 3

since dimes is mentioned in relation to  quarters, pennies, and the nickels, u would use d as ur variable

ur expression would be : d + (2d) + (1/2d) + (d - 3) = total amount of coins...then u would solve for d, the number of dimes. And once u know that, u can sub that answer back into ur original equations to find the number of pennies, quarters and nickels
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