Eric Has some quarters and nickels in his pocket he has 30 total count the total value is $3.70 write a system that could be use
d to find you the number of quarters in and n the number of Nickels
1 answer:
Answer:
- q + n = 30
- 0.25q + 0.05n = $3.70
Step-by-step explanation:
After defining variables as ...
q = number of quarters
n = number of nickels
we can write two equations. One of them expresses the total number of coins:
q + n = 30
The other expresses the total value of the coins:
0.25q + 0.05n = 3.70
_____
The solution to these equations is (n, q) = (19, 11).
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