(1) Alex has a collection of coins, consisting of nickels and dimes that total to $3.90. If the number of dimes is 4 more than 3 times the number of nickels, find the number of each kind of coin. Please show work (2) A satellite television company charges a one time installation fee and a monthly service charge. (a) Use your equation from above to find out how many months (m) of television were used if the charges totaled $650. (b) Write an equation for the total charges. (c) if they charge $75 per month (m) and a one time installation fee of $50. Please show work