System of equations
0.05x + 0.25y = 8.10
0.25x + 0.05y = 17.70
x = 67, y= 19
There are 67 nickels and 19 quarters
Answer:
Step-by-step explanation:
To find the answer, multiply the radius by 2. Then, multiply that product by 3.14 to get the answer. You can do it! Have a great day!
Answer:
The second one if that how to answer.
Step-by-step explanation:
Answer:
12,320
Step-by-step explanation:
Can i get brainliest plz
Answer:
100% - 30% = 70%
70% = 0.7
6.30 / 0.7 = $9
answer: original price of the books were $9