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?

Write the system of equations that would be used to solve this problem.

A) 10d+25q=23
D+q=3.80
B) 10d+25q=23
D+q=3.80
C) d+q=23
10d+25q=3.80
D) d+q=23
10d+25q=3.80

Question

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?

Write the system of equations that would be used to solve this problem. 
 
A)  10d+25q=23
      D+q=3.80
B) 10d+25q=23
       D+q=3.80
C) d+q=23
    10d+25q=3.80
D)  d+q=23
       10d+25q=3.80

owlfred · Answer

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anonymous · Answer

$$x+y=23$$
$$10x+25y=380$$

anonymous · Answer

which is in fact none of the above

anonymous · Answer

NO BECASUE THIS IS DEALING WITH MONEY HOW WILL  A PROMBEL GOES FROM BEING 3.80 TO 380???

anonymous · Answer

my bad for the caps