SOLUTION: There is a collection of 54 nickels and dimes worth $3.80. How many nickels do you have?
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Question 160907This question is from textbook Algebra 1
: There is a collection of 54 nickels and dimes worth $3.80. How many nickels do you have?
This question is from textbook Algebra 1
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!
-----------------------> EQN 1
In EQN 1 we get,
----------------------------> EQN 2
Also,
------------------> EQN 3
Subst. EQN 2 in EQN 3:
------>
number of Nickels (ANSWER)
For D, via EQN 2:
number of Dimes
Check via EQN 3:
Thank you,
Jojo
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