Answer:
All you need to do is suppose x = 3x :

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Answer:
The answer is 8/12
Step-by-step explanation:
So, in this case you would have to add the nemeratour and the denominator. Hope this helps! :-)
Answer: 12?
Step-by-step explanation:
Answer:
There are 9 nickels and 11 pennies
Step-by-step explanation:
Systems of equation:
x=nickels
y=pennies
0.56=0.05x+0.01y
x+y=20
hope this helps! sorry if it didnt