What is the value of d dimes and n nickels is the same as the value of: A) (2d+n) nickels B) (d+2n) nickels C) (10d+n) pennies D) (d+5n) pennies?
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Answer:
I start the formula like this: (3x+10)+(x+10)+x=4.52 x is the number of nickels. 3x+10 is 3 times the number of nickels plus one dime. x+10 is 10 more than the number of pennies. x is the number of nickels.
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