SOLUTION: Anna has 50 coins in her piggy bank. She notices that she only has dimes and pennies. If she has exactly four times as many pennies as dimes, how many pennies are in her piggy bank
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Question 1152109: Anna has 50 coins in her piggy bank. She notices that she only has dimes and pennies. If she has exactly four times as many pennies as dimes, how many pennies are in her piggy bank? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = number of pennies
Let = number of dimes
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(1)
(2)
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Plug (2) into (1)
(1)
(1)
(1)
and
(2)
(2)
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She has 40 pennies
