SOLUTION: I need help solving this word problem, There are 23 coins in a bank. All the coins are dimes and quarters. The total value of the coins is $3.80. How many dimes are there? How many
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Question 455785: I need help solving this word problem, There are 23 coins in a bank. All the coins are dimes and quarters. The total value of the coins is $3.80. How many dimes are there? How many quarters?
I have choices for my answers but i cant figure out how to lay out the equation in numbers.
You can put this solution on YOUR website! There are 23 coins in a bank. All the coins are dimes and quarters.
The total value of the coins is $3.80.
How many dimes are there?
How many quarters
:
We can write two equations here
total coins
d + q = 23
put this in the form for substitution
d = (23-q)
and value equation
.10d + .25q = 3.80
now substitute (23-q) for d in the above equation solve for d, then find q
