I believe by the first equation they are referring two a representation of the total amount of money made up by the two types of coins. I found this to be 0.05x + 0.10y = 3.50
In my work I solved for the amount of each coin- I assume this is what the final step of your problem entails. If you need any help understanding/ I misinterpreted something please feel free to comment and ask :)
#5c coins or x= 36
#10c coins or y= 17
Q = Number of weeks x Pounds of aluminum per week.
q = 6 x 3 1/3 = 20 pound of aluminum
Answer:
yes google has moat of the answers for these
2/x^8-y^8 =2/(x^4-y^4)^2=2/(x^4-y^4) * 1/(x^4-y^4)
Answer:
-1.75 or -1 3/4
Step-by-step explanation:
each line is 1/4 since you need 4 lines to get to the next number.
the number falls on the third line out of 4 lines